BIBLIO- GRAPHY AND CARTO- GRAPHY OF MARYLAND Mathews i \ * » ) Digitized by the Internet Archive in 2016 with funding from Duke University Libraries https://archive.org/details/bibliographycart01math Cl * U MARYLAND GEOLOGICAL SURVEY. WM. BULLOCK CLARK, State Geologist. BIBLIOGRAPHY AND CARTOGRAPHY OF MARYLAND Including Publications relating to the Physiography, Geology and Mineral Resources* BY EDWARD B. MATHEWS. (Special Publication, Volume I. Part IV.) THE JOHNS HOPKINS PRESS, Baltimore, July, 1897. PRINTED BY THE FRIEDENWALD COMPANY BALTIMORE z ? 31 . /3 PART IV BIBLIOGRAPHY AND CARTOGRAPHY OF MARYLAND INCLUDING PUBLICATIONS RELATING TO THE PHYSIOGRAPHY, GEOLOGY AND MINERAL RESOURCES BY EDWARD B. MATHEWS BIBLIOGRAPHY AND CARTOGRAPHY OF MARYLAND, INCLUDING PUBLICATIONS RELATING TO THE PHYSIOGRAPHY, GEOLOGY AND MINERAL RESOURCES. BIBLIOGRAPHY. 1612. Smith, John. A Map of Virginia With a Description of tlie Covn- trey, the Commodities, People, Government and Relegeon. Written by Gaptaine Smith, sometime Governour of the Covntrey. Oxford, printed by Joseph Barnes, 1612. Ito. 171 pp. 1620. Axox. A Declaration of the State of the Colonies. 1621. Smith, John. A Generali Historie of Virginia, Yew England, and the Summer Isles, etc. London, 1621. [Several editions.] (Repub.) The True Travels, Adventures and Observations of Captaine Iohn Smith in Europe, Asia, Afrika, and America, etc. Richmond, 1S19, 2 vols. — from London edition of 1629. Pinkerton's Voyages and Travels, vol. 13, 4to, London, 1S32, pp. 1-253 — from London edition of 1624. Eng - . Scholars Library No. 16. (For bibliography of Smith’s works and their republication, see pp. cxxx-cxxxii.) This work contains many interesting notes on the physiography of Chesapeake Bay and its tributaries, and briefly describes the clays and gravels along their shores. 1631. Axon. A Relation of the Successefull beginnings of the Lord Bal- te more’s Plantation in Mary-Land; Being an extract of certaine Let- 232 BIBLIOGRAPHY AND CARTOGRAPHY ters written from thence, by some of the Adventurers to then friends in England. Anno Domini 1634. Shea’s Early Southern Tracts, No. 1, 23 pp- 4to. Mentions the shiirment of a “ good quantitie of iron-stone.’’ Calvert, Cecil. Declaratio Coloniae Dominei Baronis de Balti- moro (. . .) in terra Mariae prope Virginiam: [etc-.] (Trans.) Force’s Hist. Tracts, vol. iv, No. 12, 1S46, pp. 3-7. (Pub.) Woodstock Letters, 1872. (Pub. and Trans.) Fund Publication, Md. Hist. Soc., No. 7, 1S74, pp. 44-53. Refers to the rivers, rich soils, plants, fish, and other animals. White, Andrew. Relatio Itineris in Marylandiam. (Trans.) Privately published by Nathan C. Brooks, 1847. Force’s Hist. Tracts, vol. iv, No. 12, 1846, 47 pp. (Pub.) Woodstock Letters, 1872. (Pub. and trans.) Md. Hist. Soc. Fund Pub., No. 7, Baltimore, 1874, 43 pp. 1635. Anon. A Relation of Maryland; Together With A Map of the Countrey, The Conditions of Blantation, His Majesties Charter to the Lord Baltemore, translated into English. London, 1635. (Bepub.) Sabine’s Beiorints, 4to ser., No. 2, New York, 1865, pp. 1-65, with appendix pp. 67-73. Bleaij, Johannem and Wilhelm. Tweede del van’t Toouneel des aerdruex, Ofte Mievwe atlas uytgegeven Door AYillielm; en Iohannem Bleau. Amsterdam, 1635. Trvo folio pages of description in Dutch. The authors noticed the northeast-south- west trend of mountains, the cutting through of the rivers, and also give a description of the prominent rivers flowing into the Chesapeake. The information is probably based on Smith’s Explorations, since the accompanying map bears the crosses indicating the farthest points reached by Smith. 1656. Hammond, John. Leah and Rachel; or, the Two Fruitfull Sisters Virginia and Mary-Land: their Present Condition, Impartially stated and related. London, 1656. (Bepub.) in Force’s Collection of Historical Tracts, vol. iii, No. 14, Wash- ington, 1844, 30 pp. 1666. Alsop, George. A Character of the Province of Maryland. (Bepub.) Gowan’s Bibliotheca Americana, New York, 1869, No. 5. A curious and picturesque tract on Maryland by a “ rollicking roysterer of the days of the Restoration,” accompanied by a map of the Chesapeake. MARYLAND GEOLOGICAL SURVEY 233 1669. Shrigley, Nathaniel. A True Relation of Virginia and Mary- Land; with the commodities therein, [etc.] London, 1669. (Repub.) Force’s Collection of Historical Tracts, vol. iii, No. 7, Washing-- ton, 1844, 51 pp. Enumarates rivers and bays. “ There is Fullers-Earth, Marie, Salt-peter, Iron. Stone, Lead, Tin and Silver Oar,” p. 5. 1672. Blome, Richard. A Description Of the Island of .Jamaica; With other Isles and Territories in America, to which the English are Related. London, 1672. 12mo. 192 pp. “ Contains a brief history of all the British Isles and provinces in America, and their climate, production, population, trade, etc. and appears to embody the most authentic account extant at that date.” Maryland, pp. 157-166. 1671. Blome, R. Description de l’isle de la Jamaique et de toutes celles que possedent les Anglois dans l’Ameriqne. Recueil de divers Voy- ages faits en Afrique et en l’Amerique, [etc.] Paris, 1671. 1679. Daniel, R. A new Map of the English Empire in America, viz: New England, New York, New Jersey, Maryland, Virginia, with an accurate description of those countries. London, (?) 1679. 1685. B(lome), R. The English Empire in America: [etc.] By R. B. 12mo. London, 1685. 1687. Anon. The Present State Of His Majesties Isles and Territories in America, viz. Maryland, With (New) maps of every Place. 8vo. London, 1687. 1688. Blome, R. L’Amerique angloise on Description des isles et terres du roi d’Angleterre dans l’Amerique. Amsterdam, 1688. 12mo. 332 pp. Probably a translation of ‘Anon. 16S7,’ which has not been seen. 234 BIBLIOGRAPHY A AD CARTOGRAPHY 1732. Byrd, Wii. A Progress to tlie Mines. (Pub.) in West-over Papers, Petersburg, Va., 1841, vol. ii, pp. 41-82. This is an account of a trip to the mines near Fredericksburg. It includes refer- ences to Maryland ore and many observations on the working of iron at that time. 1733. Anon. Articles of Agreement made and concluded upon between The Right Honourable The Lord Proprietary of Maryland, and The Honourable The Proprietarys of Pensilvania, &c. touching the Limits and Boundaries of the Two Provinces. With The Commission, Con- stituting Certain Persons to Execute the same. Philadelphia: Printed by B. Franklin, at the Hew Printing Office near the Market, M,- DOC, XXXIII. Folio, 19 pp. Map. 1735. Anon. A Letter to a Gentleman, containing the Boundaries of the Province of Maryland, wherein is shewn, that no part of the 40th degree of latitude is, or can be, any part thereof. London, for the author [about 1735], 12mo, 15 pp. Senex, I. A short account of the first settlement of the Prov- inces of Virginia, Maryland, Hew York and Pennsylvania by the English, to which is annexed a map of Maryland according to the bounds mentioned in the charter, and also of the adjacent country, anno 1632. London, 1735. 1755. Evans, Lewis. Geographical, Historical, Political and Mechanical Essays. Pliila. B. Franklin and D. Hall. 1755. 4to. 32 pp. There are very interesting notes on the Atlantic slope fpp. 6-S) and on the rivers (pp. 22-24). 1768. Jeffrys, Thomas. Topography of Horth America and the West Indies. London, 1768. 1770. Anon. An Abstract of Sundry papers and proposals for improv- ing the inland navigation of Pennsylvania and Maryland. Trans. Amer. Phil. Soc., o. s. vol. i, 1770, pp. 357-364. map. Gives early account of country and distances between Philadelphia and Susquehanna river. MARYLAND GEOLOGICAL SURVEY 235 1776. Pownall, T. Topographical description of such parts of Xorth America as are contained in the (annexed) map of the British middle colonies, etc., in North America. London, 1776. 1778. Burnaby, Andrew. Travels through the Middle Settlements in North America in the years 1759 and 1760; with observations upon the State of the Colonies. (Repub.) Pinkerton’s Voyages and Travels, vol. xiii, London, 1S12, pp. 701-752. This is from the 3rd edition, London, 1798. Pages 725-727 deal particularly with his journey in Maryland. Hutchins, Thos. A Topographic Description of Virginia, Penn- sylvania, Maryland and Xorth Carolina. London, Printed for the author in MDCCLXXVIII. Less mention of Maryland than the title would indicate, chiefly deals with country west of Pittsburgh. 1784. Swedenborg, Emanual. Begnum Subterraneum sive Minerale de Ferro, [etc.] Dresdae et Lipsiae. MDCCCLXXXIV. Paragraphus XIII, entitled “ Modus venam ferri coquendi, ferrumque crudam reco- quendi Marylandiae & Pensilvaniae in India occidentali,” contains references to the Principio furnaces, pp. 162-163. This volume is the second of three which deal with the official survey of Sweden. 1787. Schoepf, Johann David. Beitrage zur mineralogischen Kenntniss des ostlichen Tlieils von Mord-Amerika und seinen Gebirge. 194 pp. Erlangen, 1787. 1788. Jefferson, Thomas. Xotes on the State of Virginia. Phila. 1788. sm. 8vo. 244 pp. The author gives many interesting facts and speculations concerning the geology about Harper’s Ferry. Fully ten editions of this book tvere published in different places between 1782 and 1S32. each with different number of pages. 236 BIBLIOGRAPHY AND CARTOGRAPHY 1796. Carey, M. Carey’s American Pocket Atlas containing tlie follow- ing maps, viz. . . . with a concise Description of each State. Phila. 1796. 12mo. 118 pp. Contains a small map of Maryland with a short description, pp. 91-94. 1807. Scott, Joseph. A Geographical description of the states of Mary- land and Delaware. Phila., Kimber, Conrad & Co., 1807. Contains brief enumeration of rivers, bays, islands; also description of its natural features, trade, education, counties and towns. A valuable little summary of Mary- land’s resources as then known, accompanied by a small map showing the location of twenty-one towns. 1809. Godon, 'Silvain. Observations to serve for the Mineralogical Map of the State of Maryland. (Read iSTov. 6, 1809.) Trans. Anier. Phil. Soc., o. s. vol. vi, 1S09, pp. 319-323. Observations on the area about Washington and Baltimore. Latrobe, B. PI. An account of the Freestone Quarries on the Potomac and Rappahannock rivers. (Read Feb. 10, 1807.) Trans. Amer. Phil. Soc., o. s. vol. vi, 1809, pp. 283-293. Describes the geological formations below Mt. Vernon and the Piscataway river. Maclure, Wm. Observations on the Geology of the Ignited States, explanatory of a Geological Map. (Read Jan. 20, 1S09.) Trans. Amer. Phil. Soc., o. s. vol. vi, 1809, pp. 411-428. Broad correlations and generalizations. 1810 . Hayden, H. H. [“ Mineralogical and Geological Description of the Country surrounding Baltimore to the extent of about nine miles.”] Balt. Med. Phil. Lyc., vol. i, 1810, pp. 255-271. A letter to Dr. Nathaniel Potter written in 1S10. It contained a description of the Bare Hills, “ which was subsequently republished in Dr. Bruce’s Journal ” (1814). 1811 . Maclure, Wm. Suite des observations sur la geologie des Etats- PTnis. Journ. de phys., de chim. et d’hist. nat., vol. lxxiii. Paris, 1811. With map. MARYLAND GEOLOGICAL SURVEY 237 1814. Gilmor, Bobt., Jr. A Descriptive Catalogue of Minerals occur- ring in the vicinity of Baltimore, arranged according to the distribu- tion methodique of Hauy. Bruce Min. Jour., vol. i, 1814, pp. 221-232. Enumerates 43 minerals found within a range of 12 miles, “ except in a few instances where the minerals were too interesting to pass unnoticed.” Says Cathedral was built of granite from Falls of Patapsco about 10 miles out on the Frederick turnpike (p. 232). 1815. Mitchill, Samuel L. A detailed Narrative of the Earthquakes of 1811, 1812 and 1813 [abbreviated title]. (Eead April 14 and May 12, 1814.) Trans. Lit. and Phil. Soc. N. Y., vol. i, 1815, pp. 2S4-307. Describes the phenomena as observed in Maryland, and suggests that the effects did not extend northeast of Maryland. 1816. Cleaveland, Parker. An elementary treatise on Mineralogy and Geology. 6 plates. Svo. 668 pp. Boston, 1816. Frequent reference to Maryland minerals. 1817. Maclure, Wm. Observations on the Geology of the United States of America, with some remarks on the effect produced on the nature and fertility of soils by the decomposition of the different classes of rocks. With two plates. 12mo. Phila., 1817. A classic work giving many references to the limits and character of the geo- logical formations in Maryland. The text and map (120 m. to the inch) represent the Cretaceous extending southwest to the Susquehanna only. All land to the southeast of “ Primitive ” is “ Alluvium ” in Maryland. Pages 105-107 deal especially with Maryland. 1818. Maclure, Wm. Observations on the Geology of the United States of America, with some remarks on the probable effect that may be produced by the decomposition of the different classes of Bocks on the nature and fertility of Soils. Two plates. Republished in Trans. Amer. Phil. Soc., vol. i, n. s., 1818 , pp. 1-91. Mitchill, Samuel L. Cuvier’s Essay on the Theory of the Earth. To which are now added Observations on the Geology of North Am- erica. Svo. 431 pp. Plates. New York, 1818. Numerous local references especially about Harper’s Ferry (339-344). Eastern Shore (393-394), Washington (395-397). The book contains three figures of an elephant’s tooth from Maryland. BIBLIOGRAPHY AND CARTOGRAPHY 23S 1819. Cornelius, Elias. On the Geology, Mineralogy, Scenery and Curiosities of Virginia, Tennessee and the Alabama and Mississippi Territories, etc., with miscellaneous remarks in a letter to the editor. Amer. Jour. Sci., vol. i, 1S19, pp. 214-226. Refers to “ Point of Rocks ” "breccia without mentioning exact locality. Hayden, H. IT. Red Pyroxene Augite. Extract of a letter to the editor from Dr. IT. IT. Hayden of Baltimore. Amer. Jour. Sci., vol. i, 1S19, p. 244. This is an incidental reference in which no locality is given, and the description is .insufficient to determine the true character of the mineral found. 1820. Hayden, IT. H. Geological Essays; or an Inquiry into some of the Geological Phenomena to be found in various parts of America and elsewhere. 8vo. pp. 412. Baltimore, 1820. Cites Maryland localities, especially about Baltimore, in support of his theory. Cites the finding of numerous mastodon teeth in Maryland. 1821. ISTuttall, Thomas. Observations on the Geological Structure of the Valley of the Mississippi. (Read Dec., 1820.) Jour. Acad. Nat. Sci. Phila., o. s. vol. ii, 1S21, pp. 14-52. Cites Annapolis as northern limit of the “ second Calcareous formation,” p. 35. Troost, G. Description of a variety of Amber and of a Eossil Substance supposed to he the nest of an Insect discovered at Cape Sable, Magothy River, Anne Arundel County, Maryland. Amer. Jour. Sci., vol. iii, 1821, pp. 8-15. Besides the descriptions are notes on the geological occurrence and associated min- erals and fossils. 1822. Cleaveland, Parker. An elementary treatise on Mineralogy and Geology. 6 plates. 2nd Edit, in 2 vols. Boston, 1822. Frequent references to Maryland minerals. Maclure’s map is reproduced. Seybert, Henry. Analysis of the American Chromat of Iron. Amer. Jour. Sci., vol. iv, 1822, pp. 321-323. The sample analyzed was obtained from the Bare Hills, Baltimore County. Md. Struve, Baron von. Beitrage zur Mineralogie und Geologie des nordlichen Amerikas. 12mo. Hamburg, 1822. MARYLAND GEOLOGICAL SURVEY 239 1823. Anon. Report by tlie Maryland Commission on a Proposed Canal from Baltimore to Conowago, with maps and profiles. Baltimore, 1823. (Rev.) N. A. Rev., vol. xviii, 1S24, p. 217. Gives many figures on Maryland elevations based on lines of level run from Balti- more to York and to Havre de Grace. 1824. Finch, John. Geological Essay on the Tertiary Formations in Am- erica. (Read Acad. Rat. Sci. Phila., July 15, 1823.) Amer. Jonr. Sei., vol. vii, 1824, pp. 31-43. Objects to Maclure’s use of Alluvium and sborvs that the formations so called are mostly Tertiary. Several Maryland localities studied. Harper, General [R. S.]. Speech to the Citizens of Baltimore on the expediency of promoting a connexion Between the Ohio, at Pittsburg and the waters of the Chesapeake at Baltimore by a Canal through the District of Columbia, with his reply to some of the objec- tions of Mr. Winchester. Delivered at a meeting' held at the Exchange on the 20th day of Decem- ber, 1823. Baltimore, 1824, 78 pp., map. (Rev.) N. A. Rev., vol. xviii, 1824, p. 217. Say, Thomas. An Account of some of the Fossil Shells of Mary- land. Jour. Acad. Nat. Sci. Phila., vol. iv, 1824, pp. 124-155. Plates 7-13. Tentatively correlates Maryland deposits with those of South Carolina and then discusses and figures 3S new species. Shriver, James. An Account of the Examination and Surveys, with Remarks and Documents relative to the projected Chesapeake and Ohio and Lake Erie Canals. Baltimore, 1824, pp. 116, map. Contains an account of surveys and observations made along the summit of Alle- ghany mountain during a location survey of the Chesapeake and Ohio Canal. Includes remarks on the minerals and geological formations of the area traversed. 1825. Bernard, S., and Totten, Jas. E. Report of the Board of Internal Improvement on the Chesapeake and Ohio Canal. Feb. 2, 1825. See Merrill, 1874. Chambers, E. E. Report of the Commissioners concerning the AVestern Limits of the State. Annapolis, n. d. 8vo. 7 pp. [1825]. Md. Public Documents.* * There seems to be no standard title for these publications, as they are variously named even in the sets of the State Library. They are also bound up differently. 240 BIBLIOGRAPHY AND CARTOGRAPHY Robinson, Samuel. A Catalogue of American Minerals, with their localities. Boston, 1825. Pages 195-201 are devoted to minerals from Maryland. Retinasphaltum Is men- tioned in the Appendix, p. 302. Sparks, Jared. Baltimore. N. A. Review, vol. xx, 1825, pp. 99-138. The article contains a discussion on the intercourse of Baltimore with the western country by means of canals and turnpikes. Reference to iron ore in abundance, copper works with 600,000 pounds capacity; copper sulphuret mines in Frederick County, the source of copper for Capitol dome at Washington (p. 130). Troost, G. Description and Chemical Analyses of the Retinas- phalt discovered at Cape Sable, Magothy River, Anne Arundel County, Md. (Read Dec. 19, 1823.) Trans. Amer. Phil. Soc., n. s. vol. ii. 1825, pj). 110-115. Describes retinasphalt, earthy retinasphalt and amber occurring intermixed with wood and pyrites at Cape Sable. Van Rensselaer, Jer. Lectures on Geology; being outlines of the science, delivered in the Yew York Atheneum in the year 1825. Svo. pp. 358. Yew York, 1825. Only general references to Maryland. 1826. Bernard, S., Boussin, AYm. Tell, Howard, AY. Report of the Board of Internal Improvement. See Merrill, 1874. Dekay, J. E. Anniversary Address on the Progress of the Xatural Sciences in the LTnited States, delivered before the Lyceum of Xatural History of Yew York, Feb. 1826. Yew York, 1826. Only general references to Maryland. Dunlop, J. Memoir on the Controversy between AYilliam Penn and Lord Baltimore respecting the boundaries of Pennsylvania and Maryland. 38 pp. Mem. Penn. Hist. Soc., vol. i, 1S26, pp. 159-196. Pierce, James. Practical remarks on the shell marl region of the eastern parts of Virginia and Maryland, and upon the bituminous coal formations of Virginia and the contiguous region. Amer. Jour. Sci., vol. xi, 1S26, pp. 54-59. Extracts from a letter; economic in character. Mentions exposures at Marlboro and discusses the relative value of marls. MARYLAND GEOLOGICAL SURVEY 241 1827. Bernard, S., and Poussin, IV. T. Letter from the Postmaster Gen- eral transmitting report of General Bernard on surveys of routes for a Post Road from Baltimore to Philadelphia. Washington! 1S27. Gives a map and notes on the geological formations and soils along the different routes. Disbrow, Levi. JSTotiee of some recent experiments in boring for fresh Water, and of a pamphlet on that subject. Amer. Jour. Sci., vol. xii, 1827, pp. 136-143. Gives sections passed through at Washington and Baltimore. Morton, S. G. Description of a new species of Ostrea; with some Remarks on the O. convexa of Say. Read May 1, 1827. Jour. Acad. Nat. Sci. Phila., vol. vi, 1827, pp. 50-51. Describes and figures Ostrea falcata, from the Delaware and Chesapeake Canal near St. George’s. 1828. Anon. First Annual Report of the Board of Engineers to the Board of Directors of the B. & O. R. R. 43 pp. Map of route from Baltimore to Ellicott’s Mills. Reviewed by Peter H. Cruse in N. A. Rev., vol. xxviii, 1S29, pp. 166-186. Anon. Report of the Engineers, on the Reconnaissance and Sur- veys made in reference to the Baltimore and Ohio R. R. 8vo. 188 pp. 1828. Reviewed by Peter H. Cruse in N. A. Rev., vol. xxviii, 1829, pp. 166-186. Carpenter, George IV. On the Mineralogy of Chester County, with an account of some of the Minerals of Delaware, Maryland and other Localities. Amer. Jour. Sci., vol. xiv, 1828, pp. 1-15. Also published separately, 12mo, pp. 16, Phila., 182S (Md. ref., p. 14). Gives brief lists of minerals occurring near the Falls of North East Creek (Cecil County) near Cooperstown (Harford County). Reference to the Magnesite of the Bare Hills (Baltimore County) then employed in the manufacture of Epsom Salts. Includes only schorl, actinolite, magnetite, talc, and mangesite (p. 13). Morton, S. G. Description of two new species of Fossil Shells of the genus Scapphites and Crepidula: with some observations on the Ferruginous Sand, Plastic Clay, and Upper Marine Formations of the United States. (Read June 17, 1828.) Jour. Acad. Nat. Sci. Phila., vol. vi, 1828, pp. 107-119. Gives list of Maryland fossils from “ Upper Marine Beds ” and discusses the European correlation. 242 BIBLIOGRAPHY AND CARTOGRAPHY Description of the Fossil Shells which characterize the Atlantic Secondary Formation of Yew Jersey and Delaware; includ- ing four new species. (Read Dec. 11, 1827, Jan. 1, 1828.) Jour. Acad. Nat. Sci. Phila., vol. vi, 1S29, pp. 72-100. Plates iii-vi. This paper is intended as a supplement to the Vanuxem-Morton paper, and while the individual forms described are not from Maryland, this is included because of its relation to the first paper and the fact that the forms here described are highly devel- oped in Maryland. This folio was printed January, 1S28. Vanuxem, L., and Morton, S. G. Geological Observations on Secondary, Tertiary, and Alluvial formations of the Atlantic coast of the United States arranged from the notes of Lardner Yanuxem. (Read Jan. 1828.) Jour. Acad. Nat. Sci. Phila., vol. vi, 1S29, pp. 59-71. Reference to Maryland Tertiary formations and a number of fossils cited on pp. 67-68. Objects to Say’s genus “ Dispotea.” This folio was printed January, 1S28. 1829. Anon. Third Annual Report of the President and Directors to the Stockholders of the B. & O. R. R. 8vo. 105 pp. Map embracing various routes and profiles of the two principal routes surveyed for the B. & O. from Baltimore to Williamsport. Livermore & Dexter. A collection of fossil earths, and minerals from the deep cut of the Delaware and Chesapeake Canal, with memoir and profile of geological strata developed in progress of work. Proc. Amer. Phil. Soc., vol. xxii (2), 1884, p. 594. Mentioned in Minutes Proc. Amer. Phil. Soc., 1743-1S38. 1830. Anon. Fourth Annual Report of the President and Directors to the Stockholders of the Baltimore and Ohio Railroad Company. 8vo. 153 pp. 1830. Engineer’s Report. Map [same as in 3rd Ann. Rept.j. Anon. Gold in Maryland. Amer. Jour. Sci., vol. xvii, 1830, p. 202. Brief note on its recent discovery. “ It is known to exist in Virginia, and these localities, with those of North Carolina, appear to form a straight line parallel or nearly so, it is believed, with the Alleghany range. . Quartz is abundant in the region about that (locality not given) discovered in Maryland, as is the case also in that of North Carolina.” Byrens, Daniel. Suggestions as to a union of effort to obtain a correct account of the variation of the magnetic needle. Amer. Jour. Sci., vol. xviii, 1830, pp. 380-381. Declination determined as ten to fifteen minutes west variation. MARYLAND GEOLOGICAL SURVEY' 243 Conrad, T. A. On the Geology and Organic Remains of a part of the Peninsula of Maryland. Jour. Acad. Nat. Sci. Phila., vol. vi, pt. 2, 1830, pp. 205-230, with two plates. Appendix contains figures of 29 new species of fossil shells noticed in the preceding pages. Describes the geological occurrence at St. Mary’s, Charlotte Hall and Piscat- away and correlates with London clay, upper Marine. Description of Fifteen ISTew Species of Recent and Three of Fossil Shells, chiefly from the Coast of the U. S. Jour. Acad. Nat. Sci. Phila., vol. vi, 1830, pp. 256-268, plate. Includes Cardium laqueatum. Area maxillata (cast), Venus alveata. Morton, Samuel G. Synopsis of the Organic Remains of the Fer- ruginous Sand Formation of the United States, with Geological remarks. Amer. Jour. Sci., vol. xvii, 1830, pp. 274-295; vol. xviii, 1830, pp. 243-250. Remarks on the section of the Deep Cut of the Chesapeake and Delaware Canal, with brief description of several fossils and references to Algonium from the green- sand below Annapolis (p. 228). Shepard, C. FT. On the Mineralogical and Chemical characters of Dewey life [etc.] See Tyson, P. T. 1830. Ty'son, Philip T. ISTotice of some Localities of Minerals in the counties of Baltimore and Harford, Md., with an Appendix by C. U. Shepard (on Deweylite). Amer. Jour. Sci., vol. xviii, 1830, pp. 78-84. Localities for the following minerals are given: Fine-grained dolomite, chalcedony, tourmaline, precious garnet, co mm on garnet, white augite, talc, magnesian hydrate of silica, precious serpentine, compact asbestus, flexible asbestus, graphite (lamellar), pyritous copper, iron pyrites and magnetic oxide of iron. The appendix by Charles U. Shepard is “ On the Mineralogical and Chemical character of Deweylite and the prob- able identity of Magnesian hydrate of Silica -with this species,” pp. 81-84. 1831. Anon. Fifth Annual Report of the President and Directors to the Stockholders of the Baltimore and Ohio Rail Road Company. 8vo. 130 pp. 1831. Folded map and profile of the route of the B. & O. from Baltimore to Point of Rocks; and of the lateral road to Frederick. Second Annual Report of the Chief Engineer. Map of a route from Baltimore to Washington. Brongniart, Alex. Rapport sur un Memoire de M. Dufresnoy, Ingenieur des Mines, ayant pour titre: Des Caracteres particuliers que presente le terrain de Craie dans le Sud de la France et sur les pentes des Pyrenees. Fait a l’Acad. roy. d. Sci., Apr. 1831. BIBLIOGRAPHY AND CARTOGRAPHY 244 Annales des Sc. Naturelles, t. xxii, 1831, pp. 436-463, Plate XIV. Pages 460-461 the author refers to Dufresnoy’s correlation of the New Jersey and Maryland deposits and accepts the views of Dufresnoy. The conclusions are based on the work of Morton. Hayden, H. H. Notices of the Geology of the Country near Bed- ford Springs in Pennsylvania, and the Bath, or Berkeley Springs in Virginia, with remarks upon the waters. Amer. Jour. Sci., vol. xix, 1831, pp. 97-104. Numerous notes on the geology of the narrow portion of Maryland about Hancock. Owen, J. S. Fossil remains, found in Anne Arundel County, Maryland. Amer. Jour. Geol., Phila., vol. i, 1831, pp. 114-118. Columnar section at Anne Arundel in a well 72 feet deep where several vertebrae of whales were found. 1S32. Anon. Communication from the President of the Baltimore and Ohio Bail Boad Company to the Legislature of Maryland, enclosing surveys and estimates of the railroad from Baltimore to AVasliington. Svo. 13 pp. 1832. Anon. Correspondence between the Executive of Maryland and the President of the United States and Secretary of AVar relative to a Survey of the Sea Coast between the Chesapeake and Delaware Bays. Annapolis, 1832. sm. Svo. 7 pp. Md. Pub. Doc., Dec. Sess., 1831. Conrad, T. A. Fossil Shells of the Tertiary Formations of North America illustrated by figures drawn on Stone from Nature. Phila. 46 pp. [vol. i, pt. 1-2 (1832), 3-4 (1833). (Repub.) by G. D. Harris, Washington, 1893. Contains plates and descriptions of many of the typical fossil species of Maryland. (Part 3 was republished with plates, March 1, 1S35.) Durand, Elias. On the Green Color and Nature of the coloring Agent of the AVater of the Delaware and Chesapeake Canal, near the first lock on the Chesapeake side. Jour. Phila. Col. of Pharmacy, vol. iii, 1832, pp. 276-277. Shows color is not due to copper in solution, but to sulphate of iron which results from the decomposition of iron pyrites found in the banks. Johnson, AV C. Beport of the Committee on Internal Improve- ment to the Legislature of Maryland. AN C. Johnson, Chairman. Svo. 32 pp. 1832. Md. Pub. Doc., Dec. Sess., 1831. Completion of the road to the Potomac, and engineer's report on Washington Branch Road. MARYLAND GEOLOGICAL SURVEY 245 Morton, S. G. ‘On tlie analogy which exists between the Marl of New Jersey, <$rc., and the Chalk formation of Europe. Amer. Jour. Sci., vol. xxii, 1S32, pp. 90-95. Published separately. Includes extracts from the Reports on the Memoir of M. Dufresnoy, &c. Read before the French Institute, April 25, 1S31. Reference to Dr. Morton’s work on the Cretaceous of Maryland, pp. 93, 95 (see Brongniart, 1S31). Pigman. Report and Resolution relative to the Southern and "Western Limits of this State. Annapolis, 1832. sm. Svo. 22 pp. Md. Pub. Doc., Dec. Sess., 1831. Pomeroy*, Sam. Whylly's. Remarks on the Coal Region between Cumberland and Pittsburgh, and on the Topography, Scenery, etc., of that portion of the Alleghany Mts. [Letter Yvritten Nov. 1831.] Amer. Jour. Sci., vol. xxi, 1832, pp. 342-347. Ruffin, Ed. An Essay on Calcareous Manures. (See Ruffin, 1842.) 1833. Anon. Seventh Annual Report of the President and Directors to the Stockholders of the Baltimore and Ohio Rail Road Company. Svo. 194 pp. 1833. Folded map and profile of the projected lateral railroad to the city of Washington in connection with the first nine miles of the B. & O. R. R., showing the entire route from Baltimore to Washington. Scale, one mile to the inch. Berthier, P. Analysis of Fer Titane of Baltimore. Amer. Jour. Sci., vol. xxiv, 1S33, pp. 375-376. Extracted from Annales des Mines, tom. iii, p. 39. — Analyse de divers Mineraux Metalliques. Fer Titane de Baltimore en Maryland. Ann. des Alines, 3me serie, tome iii, 1S33, pp. 41-43. Brief account of the minerals, their -occurrence and properties. Durand, E. On the Alum and Copperas Manufactory of Cape Sable, Md. Jour. Phila. Col. Pharmacy, vol. v, 1833, p. 12. A letter written in 1S17 describing the works formerly carried on by Dr. Troost. Finch, I. Travels in the Enited States of America and Canada. Svo. 455 pp. London, 1833. Has a chapter devoted to Fort Washington and St. Mary’s; also other incidental references to geology. 246 BIBLIOGRAPHY AND CARTOGRAPHY Hayden, H. H. Description of the Bare Hills near Baltimore. Amer. Jour. Sci., vol. xxiv, 1833, pp. 349-360, map. The position of various localities for minerals occurring here is carefully described and indicated on the accompanying map. Jenkins, L. W., Chairman. Report of the Select Committee rela- tive to the Expediency of procuring a Map of the State. Md. House of Delegates, Dec. Sess., 1832, Annapolis, 1833, 8vo, 10 pjx. Contains a few remarks on the mineralogical features of the State by Ducatel. Lea, Isaac. Contributions to Geology. 237 pp. 6 plates. Phila. 1833. (Kev.) Amer. Jour. Sci., vol. xxv, 1834, pp. 413-423. General discussion of the Tertiary of Alabama. New Tertiary fossil shells from Maryland and New Jersey, and description of new forms from New Jersey and of the Turfaceous Lacustrine formation of Syracuse, X T . Y. The descriptions and figures include the new forms Balanus finchil, Mactra clathrodon, Rotells nana, Fusus pumilus, Miliola marylandica from St. Mary’s; Fort Washington deposits are correlated with those of Claiborne, Ala. Morton, Samuel G. Supplement to the “ Synopsis of the Organic Remains of the Ferruginous Sand Formation of the United States,” contained in vols. xvii and xviii of this J ournal. Amer. Jour. Sci., vol. xxiii, 1833, pp. 288-294; vol. xxiv, pp. 128-132, plate ix. Traces the southern extension of the greensand districts of New Jersey, Delaware and Maryland. Discusses the general stratigraphic position and accepts the term Cretaceous for the group. 1834. Anon. Eighth Annual Report of the President and Directors to the Stockholders of the Baltimore and Ohio Rail Road Company. 8vo. 57 pp. 1834. Contains Fifth Annual Report, Chief Engineer. Map and Profile of the Sixth Division, extending from Point of Rocks to Harper's Ferry Bridge. Aikin, William E. A. Some notices of the Geology of the Coun- try between Baltimore and the Ohio River, with a section illustrating the superposition of the rocks. Amer. Jour. Sci., vol. xxvi, 1834, pp. 219-232, plate. The most complete description of the geology of Central and Western Maryland published up to the time of its appearance. Blakiston, Wm. I. Report of the Joint Committee on the Boundary Lines between Virginia and Maryland. Annapolis, IS 34. 8vo. 11 pp. Md. Pub. Doc., Dec. Sess., 1833. Includes a report by Thos. Cresap. MARYLAND GEOLOGICAL SURVEY 247 Clemson, Thos. G. Extract of Observations on tbe Geology of York County, Pa. Trans. Geol. Soc. Penn., vol. i, pt. 1, appendix 13 pp. Advocate of Sci. & Amer. Vat. Hist., vol. i, 1S34, pp. 163-173. Conrad, T. A. Observations on tbe Tertiary and more recent formations of a portion of tbe Southern States. Jour. Acad. Vat. Sci., Phila., vol. vii, 1S34, pp. 116-129. States the Eocene as extending southwest from Maryland, and regards the Mt. ■Washington bluff as younger than that at Claiborne. Appendix to above, pp. 129-157. Describes shells from St. Mary’s (135), Choptank (136, 144, 150, 151, 152, 155). Ducatel, J. T., and Alexander, J. H. Report on tbe Projected Survey of tbe State of Maryland, pursuant to a resolution of tbe Gen- eral Assembly. Svo. 39 pp. Annapolis, 1834. Map. Md. House of Delegates, Dec. Sess., 1833, Svo, 39 pp. Another edition, Annapolis, 1S34, Svo, 58 pp., and map. Another edition, Annapolis, 1834, Svo, 43 pp., and folded table. Amer. Jour. Sci., vol. xxvii, 1S35, pp. 1-3S. Results of a preliminary survey of the State. The area and formations of the State are divided into three divisions corresponding to the present Coastal Plain, Piedmont Plateau and Appalachian areas. Many local descriptions and references are given with marked tendency towards economic point of view. FIachewelder, John. Haines wbicb tbe Lenne Lenape or Dela- ware Indians, wbo once inhabited this country, have given to Rivers, Streams, Places, etc. Trans. Amer. Phil. Soc., vol. iv, 1S34, pp. 351-396. (Bepub.) Trans. Moravian Soc., vol. i, Vazareth. 1S76, pp. 225-2S2. Gives the derivation and signification of some twenty-five local names, especially those of rivers. Harlan, R. Critical Hotices of Various organic remains hitherto discovered in Horth America. (Read May 21, 1834.) Trans. Geol. Soc. Pa., vol. i, part 1, 1834, pp. 46-112. Med. Phy. Eesearches, 1835, [with a few additions]. The author mentions specimens of Equus callabus “ found in excavating for the Chesapeake and Ohio Canal near Georgetown, D. C., not far from the Potomac River ” (p. 61). Mercer, Chas. Fenton. Report of tbe Hon. Charles Fenton Mercer [on the Chesapeake and Ohio Canal]. House Misc. Doc., 23rd Cong., 1st Se^s.. Doc. 414. Washington, 1S34, 37S pp. Appendix Z and pages 24S-301 are particularly interesting and give many facts on the coal and iron. 24S BIBLIOGRAPHY AND CARTOGRAPHY Merrick, "Wm. D., Chairman. Report of the Committee on In- ternal Improvement relative to a Map and Survey of the State of Maryland. Annapolis, 1834, 8vo, 6 pp. Mcl. House of Delegates, Dec. Sess., 1833. Morton, S. G. Synopsis of the organic remains of the Cretaceous group of the United States. To which is added an appendix contain- ing a tabular view of the Tertiary fossils hitherto discovered in Morth America. Svo, 88 pp. Phila. 1834. (Abst.) Amer. Jour. Sci., vol. xxvii, 1835, pp. 377-381. Pigman. Mr. Pigman’s Second Report relative to the Southern and Western Boundaries of this State, with the accompanying Docu- ments. Svo. 11 pp. [Annapolis, 1834.] Md. Pub. Doc., Dec. Sess., 1833. 1835. Alexander, J. H. Engineer’s report 1834 (issued separately). (See Ducatel and Alexander.) Report on the Mew Map of Maryland 1S34. n. d. Svo. 15 pp. Md. Pub. Doc., Dec. Sess., 1S34. Anon. Minth Annual Report of the President and Directors to the Stockholders of the Baltimore and Ohio Rail Road Company. Svo. 174 pp. 1835. Contains as appendix A, Sixth Annual Keport of the Chief Engineer. Folded map of the country between Cumberland and the Ohio. Baciie, A. D., and Courtenay, E. IT. . Observations to determine the Magnetic Dip at Baltimore, Philadelphia, Mew York [etc.]. (Read Mov. 7, 1S34.) Trans. Amer. Phil. Soc., vol. v, n. s., 1835, pp. 209-215. Conrad, T. A. Observations on a portion of the Atlantic Tertiary Region. Trans. Geol. Soc. Penn., vol. i, 1S35, pp. 335-341, pi. 13. Upper Marlboro and Piscataway, Md., deposits considered; also those of City Point, Va. Includes figures and descriptions of «Panopea elongata. Modiola cretacea. and Turritella humerosa. Considers the formations to be either Eocene or Neocene and not Miocene, as there is no general transition. The Marls he regards as Tertiary, not Cretaceous. MARYLAND GEOLOGICAL SURVEY 249 Observations on the Tertiary Strata of the Atlantic Coast. Amer. Jour. Sci., vol. xxviii, 1S35, pp. 104-111, 2S0-282. This paper includes a list of Newer Pliocene fossils from Benner’s plantation, on the Neuce river, below Newbern, N. C., and from the Potomac river, with a description of their occurrence and a discussion of the Pliocene. Cites St. Mary’s river as Medial Pliocene, pp. 104-111. Reference to the Newer Pliocene of Eastern Maryland, pp. 2S0-2S2. Ducatel, J. T. Geologist’s report 1834. Another edition. Report of the Geologist to the Legisla- ture of Maryland, 1S34. n. d. Svo, 50 pp. 2 maps and folded tables. Discusses the source of the shell marl deposits on the Eastern Shore and the geology along the Potomac in Prince George’s and Charles Counties. (See following.) Ducatel, J. T., and Alexander, J. H. Report on the Mew Map of Maryland, 1S34, [Annapolis] n. d. Svo, 59, i, pp. Two maps and one folded table. Aid. House of Delegates, Dec. Sess., 1834. Harlan, Richard. Motice of a Pleseosaurian and other fossil Reliquiae from the State of Mew .Jersey. Aled. and Phys. Kesearches, 1S35, pp. 3S3-3S3. Describes a Manatus from western shore of Maryland (p. 3So). See also Harlan, 1S34. Morton, S. G. Additional Observations (to Synopsis). Svo. 4 pp. Phila., June, 1S35. Apparently published as a leaflet without pagination. Adds Gryphaea vomer to the Eocene forms of Upper Marlboro and Piscataway. Ruffin, Edmund. An Essay on Calcareous Manures. Svo. 2nd Edit. 116 pp. Shellbanks, Ya., 1835. See Ruffin, 1S42. Taylor, Richard C. Review of Geological Phenomena and the deductions derivable therefrom, in two hundred and fifty miles of sections in parts of Virginia and Maryland. Trans. Geol. Soc. Penn., vol. i, 1S35, pp. 314-325 (with colored sections). The paper describes various sections, one of which extends from Winchester to Harper’s Ferry and thence east to within 30 miles of Baltimore. This section is plate xvii, fig. I. 1836. Alexander, J. LI. Report on the Mew Map of Maryland, 1835. Svo, 34 pp. 6 maps. Also Svo, 42 pp. 6 maps. Separate publications (see Ducatel and Alexander). 250 BIBLIOGRAPHY A AD CARTOGRAPHY' Anon. Charter, &c., of the George’s Creek Coal and Iron Com- pany, containing a detailed account of the Geology, &c.,of this locality. 1836. Booth, -Jas. C. Report of the Examination and survey of the Coal lands, etc., belonging to the Boston Purchase, near Cumberland, in the State of Maryland. Hew York, D. Fanshaw, 1836. A small pamphlet of 8 pp., containing an account of the coal seams, iron ore, lime- stone, fire-clay, and cost of production. Ducatel, J. T. Report of the Geologist, n. d. 8vo, pp. 35-84. Plate. Separate publication (see Ducatel and Alexander). Ducatel, J. T., and Alexander, J. H. Report on the Hew Map of Maryland, 1835. 8vo, 84, 1 pp. [Annapolis, 1836.] Md. Pub. Doc., Dec. Sess., 1835. Another edition, 96, 1 pp. and maps and plate. Engineer’s Report, pp. 1-34. Contains three maps for canals on Eastern Shore, one triangulation map of bay. and large scale contour maps of southern part of Western and Eastern Shores, with explanations. Report of the Geologist, pp. 35-84. Physical geography, geology and resources of Dorchester, Somerset, Worcester and St. Mary’s counties. Report of the Engineer and Geologist in relation to the Hew Map to the Executive of Maryland. Md. Pub. Doc., Dec. Sess., 1835 [Annapolis, 1836], Svo. S4, 1 pp., 6 maps and plates. (Rev.) Amer. Jour. Sci., vol. xxx, 1836, pp. 393-394. Jour. Franklin Inst., vol. xviii, n. s. 1836, pp. 172-178. Shows the report to be economic and preliminary. Its appearance is the occasion for remarks on the organization and appropriations of the other then existing surveys. Featherstonhaugh, G. W. Report of a Geological Reconnais- sance made in 1835 from the seat of government by way of Green Bay and the Wisconsin Territory on the Coteau du Prairie, an ele- vated ridge dividing the Missouri from the St. Peters River. 169 pp. 4 plates. Washington, 1836. Green, Dufe. A Letter addressed to the General Assembly of Maryland, by Duff Green, on the Bill incorporating the Union Com- pany. 1836. Hughes, George AY. Report of an Examination of the Coal Measures including the Iron-ore deposits, belonging to the Maryland Mining Company, in Allegany County, Are. Arc. '1836. MARYLAND GEOLOGICAL SURVEY 251 Johnson, ¥ii. Cost. Report of the Hon. Mm. Cost Johnson to Congress. House Misc. Doc., 26 Cong., No. 168, Washington, 1836. Purvis, M. On the use of Lime as a Manure. Translated for Farmer’s Register, Shellbanks, Ya., 1835. (Rev.) Amer. Jour. Sci., vol. xxx, 1836, pp. 138-163. Reference to the occurrence of the greensand formations in Maryland, p. 160. 1837. Alexander, J. H. (See Ducatel and Alexander.) Bache, A. D., and Courtenay, E. H. Observations to determine the magnetic dip at Baltimore, Philadelphia, Hew York, TCest Point, Providence, Springfield, and Albany. (Read before Amer. Phil. Soc., Hov. 7, 1834.) Trans. Amer. Phil. Soc., n. s. vol. v, 1837, pp. 209-211. Observations taken opposite Holliday Street Theater in July, 1S34, give mean dip 70° 58.6'. Ducatel, J. T. Outline of the Physical Geography of Maryland, embracing its prominent Geological Features. Trans. Md. Acad. Sci. and Lit., vol. ii, 1837, pp. 21-54, with map. General discussion with many local features and details. Ducatel, J. T., and Alexander, J. H. Report on the Hew Map of Maryland, 1836. 8vo, 104 pp. and 5 maps. [Annapolis, 1837.] Md. House of Delegates, Sess. Dec., 1836. Another edition, 117 pp. Report of the geologist deals with the geology of Frostburg and of Calvert, Anne Arundel. St. Mary’s, Charles and Prince George’s counties. Several maps and sections in black and white (pp. .1-60). Engineer’s report includes several small maps and their explanation, together with estimates on the location of certain canals and railroads (pp. 61-104). Eldredge, H. T. Report of the Special Agent sent to examine the Mines of the Company, sm. Svo, 13 pp. Hew York, 1837. This is a report to the Boston and New York Coal Company, which is usually appended to the “ Charters and By-Laws.” It contains considerable information regarding the coal and iron deposits. There are opinions quoted. One analysis of the coal and 15 of the iron are given. Humphreys, H. The Latitude of Annapolis. Trans. Md. Acad. Sci. and Lit., vol. i, part 1, 1837, pp. 135-137. Notices some variations in compass needle and barometer during auroral displays of January 25, April 3 aud 21 and 24, 1837. Also gives the magnetic variation at Annapolis; needle set up on the college green, St. John’s College, as being 2° 41' west. Latitude is determined as 38° 5S' 35.617" north. 252 BIBLIOGRAPHY AHD CARTOGRAPHY Kerr, J. Bozman. Report of the Select Committee appointed to inquire into the expediency of repealing the act to provide for com- pleting a Kew Map and Geological Survey of this State. Md. Pub. Doc., Dec. Sess., 1837, Document [E], n. d., 8vo, accompanied by a letter from Alexander, 8 pp. [Annapolis, 1838], Meteorological Committee’s Report. Trans. Md. Acad. Sci. and Lit., vol. i, part 1, 1837, pp. 138-147. Besides a description of a barometer made for the Academy, there are green ‘‘ Meteorological Observations made by the Maryland Academy of Science and Litera- ture ” on the 21st and 22d of June, 21st and 22d of September, 21st and 22d of December, 1S36, on the 21st and 22d of March, 1837, at Baltimore. See pp. 174-186 for daily Meteorological Observations for year 1836 at Baltimore. Md. Rogers, W. B. and H. D. Contributions to the Geology of the Tertiary Formations of Virginia. (Read May 5, 1835.) Trans. Amer. Phil. Soc., vol. v, n. s. 1837, pp. 319-341. Objects to Conrad’s considering the deposits on St. Mary’s river under a new divi- sion called Middle Pliocene (p. 335). Trimble, Isaac. Report of the Engineer on the Subject of the Maryland Canal. Baltimore, Lucas & Beaver, 1837. Gives various mutes for Maryland canal; gauging of various streams; monthly rainfall, etc. The report is accompanied by map (1/125,000) and profile. Tyson, Biiiltp T. A description of the Frostburg Coal Formation of Allegany County, Maryland, with an account of its geological position. Trans. Md. Acad. Sci. and Lit., 1S37, pp. 92-9S, plate. Gives a detailed section from Dug Hill to George’s Creek; also records the finding of Glassopteris phillipsii, calamites, etc. Believes the elevation of Wills Mt. took place before the coal series was deposited. A descriptive Catalogue of the principal minerals of the State of Maryland. Trans. Md. Acad. Sci. and Lit., 1S37, pp. 102-117. Divides the state into six divisions and enumerates the minerals for each, but does not give the full list of minerals from the western counties. 1S38. Anon. Report upon the Surveys for the Extension of the Balti- more and Ohio Rail Road from its Bresent Termination near Harper’s Ferry, on the Potomac, to Wheeling and Pittsburg on the Ohio river. 8vo. tip. 138. Alexander, J. H. Communication from the Topographical En- gineer. 8vo. pp. 5-8. [Annapolis, Feb. 19, 1838.] Md. Pub. Doc., Dec. Sess., 1837. Deals with the expense of the New Map. MARYLAND GEOLOGICAL SURVEY' 253 Conrad, T. A. Fossils of the Medial Tertiary of the United States. Iso. 1, 1838. [Description on cover 1839 P-) New York, Van Nostrand, 1876. Johnston, Christopher. About the rediscovery of the “ Bermuda Tripoli ” near Nottingham, on the Patuxent, Prince George’s County, Md. Proc. Boston Soc. Nat. Hist., vol. xvii, 1875, pp. 127-129. Short account of forms found and the 'correlation of the old “Bermuda earth ’’ with the newly found locality. Macfarlane, James. The Coal Regions of America. 8vo. 3rd edit. 1875. (1st 1873.) The author gives a compilation of the available data on the Cumberland coal area, pp. 237-261. Prime, F., Jr. On the Occurrence of the Brown Hematite De- posits of the Great Valley. Trans. Amer. Inst. Min. Eng., vol. iii, 1875, pp. 410-422. Eng. and Min. Jour., vol. xx, 1875, pp. 285-298. 280 BIBLIOGRAPHY AND CARTOGRAPHY Relations and origin of the iron ores in the so-called damourite slates associated with the Auroral limestones of Pennsylvania. Conclusions equally applicable to Maryland and Virginia. “ Brown hematites were probably formed by the oxidation of iron pyrites, but the former are not in the same place that the latter were ” (p. 415). Discussion by T. Sterry Hunt (pp. 417-421) and Persifor Frazer (pp. 421-422). The latter agrees in general with the author, but takes exception to his view that the ore is “ from pyrite disseminated in the overlying limestones.” Sullivant, J. [Letter to Professor Christopher Johnston on Ber- muda Tripoli in Maryland.] Proc. Boston Soc. Nat. Hist., vol. xvii, 1875, pp. 422-423. Toner, Joseph M. Contributions to the Medical History and Phys- ical Geography of Maryland. Trans. Med. and Chirurgical Faculty of Md., Baltimore, 1875. Associates vital statistics with topography and gives thirteen topographic sections of different parts of the state. 1876. Fontaine, Vm. M. The Conglomerate Series of West Virginia. Amer. Jour. Sci., 3rd ser., vol. xi, 1876, pp. 276-284, 374-384. In a foot-note there is a reference to Mr. Tyson’s section of the Cumberland Basin, with inferences therefrom, p. 375. Frazer, Persifor, Jr. Origin of the Lower Silurian limonites of York and Adams Counties. (Read Mar. 19, 1875.) Proc. Amer. Phil. Soc., vol. xiv, 1876, pp. 364-369. Believes the limonite originated from pyrite, the action possibly being aided by the pressure of limestones. Hachewelder, John (W. C. Reichil, editor). Names which the Lenni Lennapi or Delaware Indians gave to Rivers, Streams and Localities within the states of Penn., New Jersey, Maryland and Virginia, with their signification. Nazareth, 1872. Trans. Moravian Hist. Soc., vol. i, Nazareth, 1876, pp. 225-282. Originally published 1834, Trans. Amer. Phil. Soc. (title spelled differ- ently). Gives the derivation and signification of some 25 local names, especially those of rivers. Hunt, T. Sterry. Geology of Eastern Pennsylvania. Proc. Amer. Assoc. Adv. Sci., vol. xxv, 1876, pp. 208-212. Considers the Blue Ridge in Maryland to be Montalban and Huronian with no Laurentian. 1877. Anon. Assessed Valuation of Coal and Mining Corporations in Allegany County, Maryland. Eng. and Min. Jour., vol. xxiii, 1877, pp. 242. Valuation of Maryland coal companies for 1S66 and 1S76 taken from the Cumberland Alleghanian of April 3, 1877. MARYLAND GEOLOGICAL SURVEY 2S1 Frazer, Persifor, Jr. The Position of the American Hew Eed Sandstone. Trans. Amer. Inst. Min. Eng., vol. v, 1877, pp. 494-501. See also Polytechnic Review, vol. iii, 1877, p. 170. A general paper correlating the red sandstones of the middle Atlantic Slope with those of Germany and England. Lewis, H. C. On the Optical Characters of some Micas. Printed from Proc. Min. and Geol. Sect. Acad. Nat. Sci., Phila., Oct. 22, 1877. Gives the optic angle of talc from Harford county (15°) and refers to Cecil county Vermiculites. Platt, F. & AV. G. Report of Progress in the Cambria and Somerset District of the Bituminous Coal-Fields of AYestern Penn. Rept. Second Geol. Survey Pa., HHH, 1877, 348 pp., plates and maps. Deals with the geological formations along the border of the state and their exten- sion into Maryland. Rogers, AYm. B. On the Gravel and Cobble stone Deposits of Virginia and the Middle States. (Read May 19, 1875.) Proc. Boston Soc. Nat. Hist., vol. xviii, 1877, pp. 101-106. Description of the formation, which the author correlates with the Pur beck beds of England. Schoot, Chas. A. Tables, Distribution, and variations of the Atmospheric Temperature in the United States. Smithsonian Contrib. Knowledge, vol. xxi, 1876, 360 pp., nine diagrams, two plates, three charts. Had several stations in Maryland, with varying length of record. 1878. Anon. Papers relating to the Boundary Dispute between Penn- sylvania and Maryland. Pennsylvania Archives, 2nd ser., vol. iii, Harrisburg, 1878, pp. 300-400. Hunt, T. Sterry. Special Report on the Trap Dykes and Azoic Rocks of Southeastern Pennsylvania. Rept. Second Geol. Survey Pa., E, 1878, p. 253. An historical paper on the Pre-Silurian rocks discussing the theories which had been proposed and suggesting various modifications. Jones, I. D. Report upon the boundary line award between Mary- land and Virginia. 1878. 8 pp. Md. House and Senate Doc., 1878 [N]. 282 BIBLIOGRAPHY AND CARTOGRAPHY Lesley, J. P. [On OrtLoceras from Frazer Point on tlie Susque- hanna.] Proc. Amer. Phil. Soc., vol. xvii, 1878, p. 312. Lowdermilk, Will Ii. History of Cumberland, [etc.] with maps and illustrations, by Will IP. Lowdermilk. 8°. Washington, D. C., 1878. Russell, I. C. The Physical History of the Triassic Formation of Hew Jersey and the Connecticut Valley. Annals N. Y. Acad. Sci., vol. i, No. 8, 1878, pp. 220-254. (Review) Amer. Jour. Sci., 3rd ser., vol. xvii, pp. 328-330, J. D. Dana. The author concludes that “ the detached areas of Triassic rocks occurring along the Atlantic border from New England to North Carolina seem fragments of one great estuary formation now broken up and separated through the agency of upheaval and denudation.” Stevenson, John J. On the Surface Geology of Southwest Penn- sylvania, and adjoining portions of Maryland and AVest Virginia. Amer. Jour. Sci., 3rd ser., vol. xv, 1878, pp. 245-250. He distinguished twenty horizontal benches and river terraces ranging in elevation from 580-1100 feet above the sea, which he regards as “ sea beaches marking stages of the withdrawal of the ocean.” No specific localities are given in Maryland. The Upper Devonian Rocks of Southwest Pennsylvania. Amer. Jour. Sci., 3rd ser., vol. xv, 1878, pp. 423-430. Includes brief reference to the Devonian of the Alleghany and Negro mountains in Maryland, pp. 425-420. 1879. Anon. Review of the Coal Trade of 1878. Eng. and Min. Jour., vol. xxvii, 1879, pp. 1-10. Output of the Cumberland coal fields for 1876, '77, '78. Blandy, J. F. The Lake Superior Copper rocks in Pennsylvania. Trans. Amer. Inst. Min. Eng., vol. vii, 1879, pp. 331-339. A correlation based on two days’ work, which is sharply criticised by T. Sterry Hunt, who regards the rocks as Huronian and not Keweenian. and by Persifor Frazer, who ■claimed that the “ porphyry shows no character of igneous action.” Cain, Peter. Second Annual Report of Peter Cain, Inspector o*f Mines. Annapolis, 1878. 8vo. 16 pp. Gives workings and conditions of the mines for the year. Fontaine, W. M. Votes on the Mesozoic of ACrginia. Amer. Jour. Sci., 3rd ser., vol. xvii, 1S79, pp. 25-39, 151-157, 229-239. Distinguishes seven different belts, two or three of which extend across Maryland, ■dipping usually to the southeast. Considers the “ Potomac marble ” boulders to have MARYLAND GEOLOGICAL SURVEY 283 come from the northwest, from Maryland and Pennsylvania, sometimes a distance of 40 miles, with the boulders increasing in coarseness to the southward. Reference to the “ iron ore clays ” of Maryland, pp. 155-157. The papers also include numerous observa- tions on the overlying gravels, with a correlation. Frazer, Persifor, Jr. Classification of Coals. (Read May, 1877.) Trans. Amer. Inst. Min. Eng., vol. vi, 1S79, pp. 430-451. The ratios of volatile to fixed combustible matter is given for several Cumberland coals (after W. R. Johnson). [Tlie Lake Superior Copper Rocks in Pennsylvania.] Trans. Amer. Inst. Min. Eng., vol. vii, 1S79, pp. 336-339. Quotes from Report CC (Second Geological Survey of Pennsylvania) and other articles. Holds that South Mountain is separate from Primal of Rogers and that the rocks found there are not igneous. The Mesozoic Sandstone of the Atlantic Slope. Amer. Nat., vol. xiii, 1879, pp. 284-292. Review of three papers — Heinrich, Mesozoic formations of Va., Trans. Amer. Inst. Min. Eng., 1878; Fontaine, Notes on Mesozoic of Va., Amer. Jour. Sci., 1879; Russell, On the Physical History of the Triassic, Annals N. Y. Acad. Sci.. 1878. Frazer, Persifor, Jr. Fossil (?) Forms in the Quartzose Rocks of the Lower Susquehanna, with plate. (Read Apr. 4, 1879.) Proc. Amer. Phil. Soc., vol. xviii, 1880. pp. 277-279. Deals with some curious indeterminate forms from Frazer’s Point, Cecil county. Letters by Whitfield and Hall. Heinrich, Oswald J. The Mesozoic formation in Virginia. (Read Feb. 1878.) Trans. Amer. Inst. Min. Eng., vol. vi, 1879, pp. 227-274. The author recognizes four divisions very nearly parallel running from S. 30° to W. 37°, which are described. Distinguishes conglomerates, sandstones, slates, shales, lime- stones and coal. Apparently considers that the formation extended to New Market, Westminster and Strassburg (p. 250). Maps and sections. Hunt, T. Sterryl (On the Geology of the Eozoic Rocks of Horth America.) Proc. Boston Soc. Nat. Hist., vol. xix, 1879, pp. 275-279. McCreath, Andrew A. Second Report of Progress in the Lab- oratory of the Survey at Harrisburg. Kept. 2nd Geol. Surv. Pa. . MM, Harrisburg, 1879. Contains analyses of Maryland materials, pp. 29, 266, 269. Prime, Frederick. A Catalogue of Official Reports upon Geo- logical Surveys of the United States and Territories and of British FTorth America. Trans. Amer. Inst. Min. Eng., vol. vii, 1879, pp. 455-525. A partial list of publications relating to Maryland, corrected in 18S1, which see. 284 BIBLIOGRAPHY AND CARTOGRAPHY Russell, I. C. On the Physical History of the Triassic Formation in Hew Jersey and Connecticut Valley. Annals N. Y. Acad. Sc-i., vol. i, 1879, p. 79, also pp. 220-254. Several references to particular Triassic areas in Maryland. Scharf, J. T. History of Maryland from the Earliest Period to the Present Day. 3 vols., 4to, Baltimore, 1879. Contains many references to the early maps, histories and industries of the state. 1S80. Brown, Thomas. The Maryland Union Coal Company. Eng. and Min. Jour., vol. xxx, 1880, p. 3. Several facts on the size, character and extent of the coal veins in the property of the company. Dana, J. D. Manual of Geology. 3rd edit. Maryland, pp. 236, 243, 419, 455, 490, 494-5. Frazer, Persifor, Jr. The Geology of Lancaster County, Pa. Kept. 2nd Geol. Surv. Pa. CCC, Harrisburg, 1880, atlas. Deals with the geological formations along the border of the state and their exten- sion into Maryland. Jeffries, W. W. Menaceanite and Talc from Maryland. Proc. Acad. Nat. Sci., Phila., 1880, p. 292. J. C. K. Maryland Mining Rotes. Eng. and Min. Jour., vol. xxix, 1880, p. 48. Notes on iron and gold prospects from various parts of the state. Also reference, p. 306, to gold found near Mr. Appold’s estate on land owned by Mr. F. M. Hay; assayed at .$30 per ton. Lesley, J. P. On a slab of roofing slate covered with casts of Buthotrephis flexuosa from the Peach Bottom Slate Quarries. (Read Dec. 1879.) Proc. Amer. Phil. Soc., vol. xviii, 1880, pp. 364-369. This paper gives the history of the find, its determination by Lesquereux, analysis of slate and remarks by Frazer. A Hudson River fossil plant in the Roofing slate that is associated with the clilorite slate and metamorphic limestone in Mary- land, adjoining York and Lancaster Counties, Pennsylvania. Amer. Jour. Sci., 3 ser., vol. xix, 1S80, pp- 71-72. Buthotrephis flexunsa (determined by Lesquereux) in the Peach Bottom slates, Silu- rian age inferred. Extract from a letter. Riordan, O. Second Annual Report of Owen Riordan, Inspector of Mines for Allegany and Garrett Counties. For year ending Dec. 1879. 8vo. 31 pp. Mel. House and Senate Hoe., 1880 [J]. MARYLAND GEOLOGICAL SURVEY 285 Russell, I. C. On the former extent of the Triassic Formation of the Atlantic States. Amer. Nat., vol. xiv, 1880, pp. 703-712. The author concludes “ that the Triassic rocks in the Atlantic states were formed in one estuary, in the northern end of which sandstone and shales were deposited, being subjected to a greater subsidence than the southern extremity, where the shores were low and favorable for the accumulation of carbonaceous mud and peat ” (p. 711). Stevenson, J. J. Surface Geology of Southwest Pennsylvania and adjacent portions of West Virginia and Maryland. (Read Apr. 1879.) Proc. Amer. Phil. Soc., vol. xviii, 1879, pp. 289-316. A study of the terraces in Garrett and Allegany counties. The present physiography Is considered due to the OTosion which accompanied the submergence and emergence of Glacial time. Wysong, Thomas Turner. The Rocks of Deer Creek, Harford County, Maryland; Their Legends and History. Baltimore, 1880. Printed by A. J. Conlon. The author devotes one page (86) to the chrome pits and two to the slate series (87-S8). A popularly written account. 1881. Brown, T. Report of T. Brown, Inspector of Mines for Allegany and Garrett counties. Md. House and Senate Doc., 1881, F. Frazer, P., Jr. Some Copper Deposits of Carroll County, Mary- land. Trans. Amer. Inst. Min. Eng., vol. ix, 1881, pp. 33-40. Maps and sections are given, also several analyses and an estimate of the amount of ore available. The deposits are situated near New Windsor. The workings are now abandoned and the shaft filled up. Heilprin, Angelo. On the Stratigraphical Evidence Afforded by the Tertiary Fossils of the Peninsula of Maryland. Proc. Acad. Nat. Sci., Phila., vol. xxxii, 1880, pp. 20-33. Holds that the Medial Tertiary is not synchronous with the South Carolina deposits (Conrad), and that deposits intermediate between the Eocene of Fort Washington and the Pliocene of the southeast extremity of the peninsula belong to two different periods of formation; the later belonging to the Miocene, the older to the Oligocene. Johnson, George. History of Cecil County, Maryland. 8vo. 548 pp. I-XII. map. Elkton, 1881. Contains data indicating the gradual recognition and utilization of the natural resources of the area. Leidy, Joseph. Description of Vertebrate remains chiefly from the Phosphate beds of South Carolina. Jour. Acad. Nat. Sci., Phila., 2nd ser., vol. viii, 1881, pp. 209-261. Gives Myliobates gigas, M. pachyodon and Aetobatis arcuatus from Charles county, Md., pp. 241-243, 245. 286 BIBLIOGRAPHY AND CARTOGRAPHY Lewis, H. C. On Jurassic Sand. Proc. Acad. Nat. Sci., Phila., vol. xxxii, 1881, p. 279. Describes sands from Elkton which he correlates with the “ Hasting sand.” Also mentions a capping of ” Br-yn Mawr gravels ” in the same area. Miller, S. A. North American Mesozoic and Cenozoic Geology and Paleontology. 8vo. 338 jip. Cincinnati, 1881. See also Jour. Cinn. Soc. Nat. Hist., vol. ii, 1879, pp. 140-161, 223-244; vol. iii, 1880, pp. 9-32, 79-118, 165-202, 245-288; vol. iv, 1881, pp. 3-46, 93-144, 183-234. Brief general statements regarding the Eocene Deposits of the Middle Atlantic Slope are made by the author. Prime, Frederick. Supplement II to a catalogue of official Re- ports upon Geological Surveys of tlie United States and Territories and of British North America. Trans. Amer. Inst. Min. Eng - ., vol. ix, 1881, pp. 621-632. A list of reports upon the geology of Maryland to replace the list given in the cata- logue referred to in the present title (1879). Scharf, J. T. History of Baltimore City and County. 4to. Phila. 1881. Topography and geology of the country, by Prof. P. R. Uhler, pp. 13-32. 1882. Anon. Pennsylvania and Maryland Boundaries. Pennsylvania Mag'. Hist., vol. vi, 1882, pp. 412-434. Garretson, Frederick. Vibration of Rocks in Patapsco Valley, Md. Pop. Sci. Mo., vol. xx, 1882, pp. 541-543. Description of certain intermittent earth tremors which arise not from the impact of falling water, but which are “ due to a definite relation between the vibrations of the river and what may be called the key-note of the bed-rock over which it flows.” ITeilprin, Angelo. Note on the Approximate Position of the Eocene Deposits of Maryland. Proc. Acad. Nat. Sci., Phila., vol. xxxiii, 1881, pp. 444-447. Correlates the Eocene between the Pisc-ataway sands and the Marlborough rock with the Thanet sands of England, and the Porac-heux sands of Paris, and near the base or lower than the Buhrstone of Alabama. On the relative ages and classification of the Post-Eocene Tertiary Deposits of the Atlantic Slope. Proc. Acad. Nat. Sci., Phila., vol. xxxiv, 1882, pp. 150-1S6. (Abst.) Amer. Jour. Sci., 3 ser., vol. xxiv, 1S82, pp. 228-229. Amer. Nat., vol. xvii, 1883, p. 308. Treats especially of the deposits in Maryland, Virginia, North Carolina and South Carolina, and concludes that the South and North Carolina deposits represent approxi- MARYLAND GEOLOGICAL SURVEY* 28 T mately the same geological horizon. 2. That the Y'irginia deposits indicate a horizon lower (older) in the geological scale than that of either of the formations just men- tioned. 3. That the Maryland deposits indicate two well-marked horizons, of which, the upper one is the correspondent of the Virginian. Hitchcock, C. H. The Crystalline Rocks of Virginia compared with those of Hew England. Trans. Amer. Inst. Alin. Eng., vol. x, 1S82, 477-480. The correlation of the pre-Cambrian rocks of Y r irginia and Maryland with those of New Hampshire. The author regards the belt between Washington and Harper's Ferry on the Potomac as Huronian. ■ Jones, Howard Grant. Votes on the Cumberland or Potomac Coal Basin. (Read Sept. 11, 1880.) Proc. Amer. Phil. Soe., vol. xix, 18S2, pp. 11-110. Section along Georges Creek from the Lower Barren Measures to the Pocono Sand- stone. Lesley, J. P. (The Cumberland or Potomac Coal Basin.) Re- marks on the paper by Mr. Jones. Proc. Amer. Phil. Soc., Pliila., vol. xix, 1882, p. 110. Scharf, J. T. History of Western Maryland, being a history of Frederick, Montgomery, Carroll, Washington, Allegany, and Garrett Counties from the earliest, period to the present day. 2 vols. 4to. Phila. 1882. Topography and Geology by P. R. Uhler, pp. 13-46. White, I. C. Votes on the Geology of West Virginia. A Recti- fication of the Section made by Mr. Howard Grant Jones, M. S. (Read June 17, 1881.) Proc. Amer. Phil. Soc., vol. xix, 1882, pp. 438-446. Gives a detailed columnar section along the north Potomac 1520 feet high, extending from the Medina' slates to the upper Coal Measures above Pittsburgh Coal. 1883. Anon. Mining Votes. Eng. and Alin. Jour., vol. xxxvi, 1883, p. 315. Chronicles the finding of three strata of marl-bearing shells and a large jaw-bone- near Cambridge. Ashburner, Chas. A. Anthracite. Alineral Besources U. S., 1882, Washington, 1883, pp. 58-60. Statistics of shipments from 1873-1882 and price per ton. Bailey, J. Trowbridge. The Copper Deposits of Adams County,. Pennsylvania. Eng. and Alin. Jour., vol. xxxv, 1883, pp. S8-S9. Origin and geological occurrences of the South Mountain ores in Adams county, Pa.,. and Washington county, Md. 288 BIBLIOGRAPHY AND CARTOGRAPHY Brantly, W. T. Maryland. Encyclopedia Britannica, vol. xv, New York, 1883, pp. 602-605. Short general description of the topography and geology of the state (Uhler’s?). Burnham, S. M. History and Uses of Limestones and Marbles. 8vo. 111. 392 pp. Boston, 1883. Maryland, pp. 57-58. Chester, F. D. On Boulder Drift in Delaware. Amer. Jour. Sci., 3rd ser., vol. xxv, 1883, pp. 18-21. Observations upon Stratified Drift in Delaware. Amer. Jour. Sci., 3rd ser., vol. xxv, 1883, pp. 436-440. (Rev.) Science, vol. ii, 1883, p. 380 (W. M. D.). Considers Champlain depression more than 330 feet, possibly as much as 1000 feet. Clerk, F. L. The Mining and Metallurgy of Zinc in the United States. Mineral Resources U. S. 1882. Washington, 1883. p. 365. Mentions zinc ores in Silurian of Maryland which have been worked and abandoned. Cook, George H. The change of Relative Level of the Ocean and the Uplands of the Eastern Coast of Uorth America. Proc. Amer. Assoc. Adv. Sci., vol. xxxi, 1883, pp. 400-408. A general paper with reasoning applicable to Maryland. Writer regards oscillation connected with ice movements as the principal factors. Day, D. T. Chromium. Mineral Resources U. S., 1882, Washington, 1883, p. 428. Cites new discovery in North Carolina, and gives statistics as to the amount mined and the price paid per ton in Baltimore. D’Invilliers, E. V. The Geology of the South Mountain Belt of Berks County. Rept. 2nd Geol. Surv. Pa. DDD, vol. ii, part 1, Harrisburg, 1883, pp. 17-18. Fontaine, Wm. M. The Older Mesozoic Flora of Virginia. Mono. U. S. Geol. Surv. No. 6, 1883, 144 pp., 54 plates. House Misc. Doc., 47th Cong - ., 2nd Sess., vol. xiv. No. 43. Reference to Mesozoic beginning on the Palisades. In Maryland it contains no coal, and no plants have been found, though search would probably reveal them. It is char- acterized by the large amount of red strata that it contains. Hunt, T. Sterry. A historical account of the Taconic question in geology, with a discussion of the relations of the Taconic series to the older crystalline and to the Cambrian rocks. Trans. Royal Soc., Canada, vol. i, sec. 4, 1883, pp. 217-270. Leconte, Jas. Elements of Geology. 2nd edition, Xew York, 1883. Pages 451 and 471 contain certain references to Maryland. MARYLAND GEOLOGICAL SURVEY 2S9 Lesley, J. P. The Geology of Chester County, Pennsylvania. Kept. 2nd Geol. Surv. of Pa. C-4, Harrisburg, 1S83. Deals with the geological formations along the border of the state and their exten- sion into Maryland. McGee, W J (jST ote on buried forest of Washington, I). C.) Amer. Nat., vol. ii, 1883, p. 724. Tells of the finding of remains of a prequaternary forest near Washington. Smock, J. C. The Useful Minerals of the United States. Mineral resources U. S.. 1882, Washington, 1883, pp. 664, 690-693. Gives list of minerals, their localities and the present state of workings in Maryland. Swank, J. M. Iron Ore and its Products. Mineral Resources U. S., 1882, Washington, 1883, pp. 128-137. Statistics showing marked increase in the output from Maryland in the years fol- lowing 1876. Uhler, P. E. ■ Geology of the Surface Features of 'the Baltimore Area. Johns Hopkins Univ. Cir. No. 21, vol. ii, 1883, pp. 52-53. (Abst.) Science, vol. i, 1883, pp. 75-76, 277. Describes the general features of the area and considers Archean to have been meta- morphosed during Jurassic Period. Wilbur, F. A. Marls. Mineral Resources U. S., 1882, Washington, 1883, p. 522. Mentions belt of Cretaceous and Tertiary marls extending across the state. Clay. Mineral Resources U. S., 1882, Washington, 1883, pp. 465-475. Mentions fire-clay found at Mt. Savage, Allegany county, with analyses (p. 468); also pottery clay or kaolin in Ilarford and Cecil counties (p. 470). Williams, Albert, Jr. (Editor). Building Stones. Mineral Resources U. S., 1882, Washington, 1883, pp. 451-452. Statistics of the stone industry in Maryland for 18S2. 1884. Adams, W. H. The Pyrites Deposits of Louisa County, Ya. Trans. Amer. Inst. Min. Eng., vol. xii, 1884, pp. 527-535. Bare mention of the pyrites deposits of Cecil county, Md. Anon. Mining Notes. Eng. and Min. Jour., vol. xxxviii, 1884, New York, 1884. Granite quarries at Lapidum. Harford county, p. 9. Alleged discovery of zinc ore in Anne Arundel county, p. 400. 290 BIBLIOGRAPHY AY I) CARTOGRAPHY Aydelott, Wm. T. Report of Commissioner of Maryland for Surveying and Marking the Boundary Line between the States of Maryland and Virginia. Annapolis, 1884. 22 pp. Md. House and Senate Doc., 1884, K. Brown, T. Report of T. Brown, Inspector of Mines for Allegany and Garrett counties. Annapolis, 1884. G4 pp. Aid. House and Senate Doc., 1884, D. Chester, Frederick D. The Quaternary Gravels of Northern Delaware and Eastern Maryland, with map. Amer. Jour. Sci., 3rd ser., vol. xxvii, 1884, pp. 189-199. The author divides the formations into the Philadelphia Clay and the Red Gravels and concludes that at the close of the Glacial period the land was depressed at least 350 feet. Preliminary notes on the Geology of Delaware — Lauren- tian, Paleozoic, and Cretaceous Areas. Proc. Acad. Nat. Sci., Phila., vol. xxxiv, 1884, pp. 237-259. This paper describes the area adjoining Maryland and shows the relationship of the Maryland deposits to those of New Jersey. Clarke, F. W. Report of work done in the Division of Chemistry and Physics. 1883-84. Bull. U. S. Geol. Survey No. 9, Washington, 1884, p. 9. Also House Alisc. Doc., 48 Cong., 2nd Sess., vol. xvi, No. 41. Analysis by T. M. Chatard of gahnite from near Colesville, Montgomery county. Frazer, P., Jr. The Peach Bottom Slates of Southeastern York and Southern Lancaster Counties. Trans. Amer. Inst. Min. Eng., vol. xii, 1884, pp. 355-358. Plates and section. (Abst.) Amer. Jour. Sci., 3 ser., vol. xxix, 1884, p. 70. Discussion of a section along the Susquehanna river northward from the Maryland line. Also a letter from Prof. James Hall regarding the probable age of the slates, which he considers are either the Hudson river or the Quebec group from the presence of forms allied to Holymenites, Lamnantes lagranger and graptolithus. An Hypothesis of the Structure of the Copper Belt of the South Mountain. Trans. Amer. Inst. Alin. Eng., vol. xii, 1S84, pp. 82-90, map. Gannett, Henry. A Dictionary of Altitudes in the United States. Bull. U. S. Geol. Survey No. 5, Washington, 1884, pp. 129-132. House Misc. Doc., 48th Cong., 2nd sess., vol. xvi, No. 41. A large number of altitudes is given. Heilprin, Angelo. Contributions to the Tertiary Geolosw and Paleontology of the United States. 4to. 117 pp., map. Phila. 18S4. MARYLAND GEOLOGICAL SURVEY 291 The Tertiary Geology of the Eastern and Southern United States. Jour. Acad. Nat. Sci., Phila., vol. ix, 2nd ser., 1884-95, pp. 115-154, pi. iv. Gives a systematic review and analyses of the formation taken as a whole, and a concise statement of the geology of the Tertiary period in all of those states of the Atlantic and Gulf border where the formation has been determined; each of these states then is considered separately. The second division treats of the age and classi- fication of the post-Eocene Tertiary deposits of the Atlantic Slope, and contains care- fully prepared faunal lists of Md., Va., N. C., and S. C. Md. references, pp. 10-14, 48-49, 52, 58, 59, 69-78. North American Tertiary Ostreidae. 4th Ann. liept. U. S. Geol. Surv., 1882-83, Washington, 1SS4, pp. 309-316. (Appendix I to C. A. White’s Fossil Ostreidae of North America). Gives Ostrea compressirostra, Say (309), O. eversa, Melville (310), 0. borealis, La- marck (312), O. virginica, Gmelin (314). The Tertiary Geology of the Eastern and Southern United States. Jour. Acad. Nat. Sci., Phila., 2 ser., vol. ix, 1884, pp. 115-154, map. A monographic study of the formations and a correlation of the different areas, among themselves and with those of Europe. Description of the Eocene and Miocene formations with name of fossils. Pages 124-128 refer especially to Maryland, although frequent mention is made throughout the entire paper. Introduces terms Marylandian, Virginian, etc. Henderson, C. Hanford. The Copper Deposits of the South Mountain. Trans. Amer. Inst. Min. Eng., xii, 1884, pp. 85-90, map. Description of the area dealing with the properties, in Pennsylvania more especially. Huntington, J. H., Monroe, Chas. E., Singleton, H. Iv. De- scriptions of Quarries and Quarry Regions compiled from notes of Messrs. Huntington, Monroe and Singleton. Tenth Census, vol. x, Washington, 1884, pp. 175-179. Gives the occurrence and characteristics of many of the state building stones. This is a separate division of the Report on the Building Stones of the United States. McCreath, Andrew S. The Mineral Wealth of A r irginia, tribu- tary to the Norfolk and Western and Shenandoah A Valley Railroad Companies. Harrisburg, Pa., 1884. Contains several references to Maryland localities and their economic resources. Marcou, Jules. Mapoteca Geologica Americana — A catalogue of geological maps of America (North and South), 1752-1881. Bull. U. S. Geol. Surv. No. 7, 1884. House Misc. Doc., 48th Cong., 2nd sess., vol. xvi, No. 41. Reference to maps of Tyson, Daddow and Bannon et als. 292 BIBLIOGRAPHY ANT) CARTOGRAPHY Merrill, Geo. P. (Motes on tlie Building stones of Washington, D. C.) Tenth Census, vol. x, Washington, 1884, p. 357. Preliminary note on the Crystalline schists of the District of Columbia. Proc. U. S. Nat. Mus., vol. vi, 1884, pp. 159-161. (Abst.) Science, vol. ii, 1883, pp. 829-830. The prevailing indigenous rock of the District is an extremely variable hornblende, chlorite or micaceous schist. Phillips, Henry, Jr. Early Proceedings of the American Philo- sophical Society (1744-1838). Proc. Amer. Phil. Soe., vol. xxii (2), 1884. Contains references to early papers and early discoveries. Rau, Chas. Prehistoric Fishing in Europe and Forth America. Smithsonian Contrib. Knowledge, vol. xxv, 1884, 360 pp. Pages 235-239 are devoted to a discussion of the shell heaps of Maryland (based on notes of Dr. E. R. Raynolds and T. D. McGuire which have proved liable to confusion with Tertiary deposits. (See Conrad and Vanuxem.) Rogers, William Barton. A reprint of Annual Reports and other papers, on the Geology of the ABrginias. sm. 8vo. Appleton, 1884. Contains pocket maps and sections along the Potomac. Smock, J. C. Geologico-geographical Distribution of the Iron Ores of the Eastern United States. Eng', and Min. Jour., vol. xxxvii. New York, 18S4, pp. 217-21S, 230-232. Trans. Inst. Min. Eng., vol. xii, 1884, pp. 130-144. Reference to occurrence of iron ores in Maryland, including the Allegany county occurrence of siderite, the Washington county ores which are of Silurian age. and mag- netite at Deer Creek, Harford county. Spencer, F. W., and Kelly, Thos. C. Statistics of Building Stones. Tenth Census, vol. x, Washington, 1884, pp. 45-105 o? Report on Building Stones. Maryland references, pp. 46, 48, 50, 74-75. Swank, James M. History of the Manufacture of Iron in all Ages. Phila. 1884. Special chapter entitled “ Early enterprises in Maryland,” pp. 1S2-197. The first works were at North East and Principio. See also pp. 202-203. Walling, H. F. Topographical Indications of a Fault near Harp- er’s Ferry. (Abst.) Bull. Phil. Soe., Washington, vol. vi, 1884. pp. 30-32. Mentions the discontinuous extension of the Blue Ridge at Harper's Ferry in sup- port of increased corrugation and steepness of dip eastward with reversed folding. The downthrow to the west. MARYLAND GEOLOGICAL SURVEY 293 Webster, A. L. On an excursion Map of Baltimore and its neigh- borhood. Johns Hopkins Univ. Cir. No. 30, vol. iii, 1884, p. SO. Gives an account of the sources and formation of the Field Cluh map. Weeks, Joseph L). Report on the Manufacture of Coke. Tenth Census, vol. x, Washington, 1884. For manufacture and use of coke in Maryland, see p. 25. White, C. A. A review of the Fossil Ostreidae of ISTorth America, and a comparison of the Fossil with Living Forms. Appendix I by Angelo Heilprin: North American Tertiary Ostreidae. Appendix II by John A. Rider: A Sketch of the Life History of the Oyster. 4th Ann. Bept. U. S. Geol. Surv., 1882-83, Washington, 1884, pp. 281-430. (See Heilprin.) Williams, George H. Preliminary notice of the Gabbros and Associated Hornblende rocks in the vicinity of Baltimore. Johns Hopkins Univ. Cir. No. 30, vol. iii, 1884, pp. 79-80. Distinguishes and describes “ Anorthite amphibolite ” and olivine bronzite gabbro. Note on the so-called Quartz Porphyry at Hollins Sta. north of Baltimore. Johns Hopkins Univ. Cir. No. 32, vol. iii, 1884, p. 131. Shows Tyson’s “ quartz porphyry is an autoclastic rock formed from adjacent gneiss during dynamic metamorphism.” Winsor, Justin (Editor). A Narrative and Critical History of America. Yol. iii. English Explorations and Settlements in North America, 1497-1689. Houghton, Mifflin & Co., Boston, 1884. pp. 127-169, 517-562. Contains interesting notes on the gradual recognition of the resources and physical features of the state. - Chapter on Maryland by W. T. Brantly; that on Virginia by R. A. Brock. 1885. Anon. General Mining News — Maryland. Eng', and (Min. Jour., vol. xl, 1885, p. 422. Purchase of Frederick county property by a California mining company. General Mining News — Maryland. Eng. and (Min. Jour., vol. xl, 1885, p. 294. Search for silver ore in the vicinity of Cumberland. Armstrong, S. C. (compiler). Coal. Mineral Besources U. S., 1883-84, Washington, 1885. General remarks on George’s Creek Coal field, pp. 49-50; statistics on coal product, 1880-18S4, p. 12. 294 BIBLIOGRAPHY AND CARTOGRAPHY Brock, R. A. Early Iron Manufacture in Virginia, 1619-1776. Proc. U. S. Nat. Mus., vol. viii, 1885, pp. 77-80. The author refers, p. 79, to the purchase of iron from Maryland in early times. Chester, Frederick D. The Gravels of the Southern Delaware Peninsula. Amer. Jour. Sci., 3rd ser., vol. xxix, 1885, pp. 36-44. Post Glacial bowlders of Snow Hill, Md., pp. 41-43. This deals especially with the Quaternary and modern deposits, though discussing the surface deposits of the whole area. A Review of the Geology of Delaware, Results of a survey in progress. (Abst.) Proc. Amer. Assoc. Adv. Sci., vol. xxiii, 1885, pp. 400-401. Clarke, F. W. Mica. Mineral Resources U. S., 1883-84, Washington, 1885, pp. 906-912. Mentions the mica mines of Howard and Montgomery counties which are not at present worked, p. 908. Day, D. T. Chromium. Mineral Resources U. S., 1883-84, Washington, 1885. Gives short history of chromium industry in Maryland, p. 567. Cobalt. Idem, p. 544. Mentions linnaeite and niccolite from Finkshurg and Sykesville, Carroll county. Manganese. Idem, p. 551. Black oxide of manganese formerly mined at Brookville, Montgomery county, hut now abandoned. Gannett, Henry. Administrative Reports. Topographic work in Maryland. 5th Ann. Rept. U. S. Geol. Surv., 1883-84, Washington, 1S85, pp. 7-8. Notes on the topographic work done in Western Maryland and about Washington. Administrative Reports. Topographic work in Maryland. 6th Ann. Rept. U. S. Geol. Surv., 1884-85, Washington, 1S85, p. 8. Boundaries of the United States and of the several states and territories with a historical sketch of the territorial changes. Bull. U. S. Geol. Surv. No. 13, 1885, pp. 79-90. House Misc. Doc., 48th Congress, 2nd sess., vol. xli. Contains history of the grants and the determinations of the location of the boun- dary lines between Maryland and Pennsylvania, Delaware, Virginia and West Virginia. MARYLAND GEOLOGICAL SURVEY 295 Ktjnz, G. F. Precious Stones. Mineral Resources U. S., 1883-84, Washington, 1885. Mentions Harford county serpentine, p. 776; and also anfber from Cape Sable and Chesapeake and Delaware Canal based on Troost’s paper in Amer. Jour. Sci. 1832, p. 7S0. McGee, W J The Geology of the District. Evening Star, Washington, July 11, 1885. Regards the Potomac as the American equivalent of the European Neocomian. Robinson, T. The Strata exposed in the East Shaft of the Water Works Extension. (Abst.) Bull. Phil. Soc., Washington, vol. vii, 1S85, pp. 69-71. Scharfe, Walter R. The Boundary Dispute between Maryland and Pennsylvania. Pennsylvania Mag'. Hist., vol. ix, 1885, pp. 241-271. Spencer, J. W. Occurrence of Boulders of Decomposition at Washington, D. C., and elsewhere. Amer. Nat., vol. xix, 1885, pp. 163-165. Considers the bearing of decomposition boulders upon the glacial drift. Swain, Geo. F. Report on the water power of the Middle Atlantic Water-shed. Tenth Census, vol. xvi, Washington, 1885, pp. 513-660. Describes the topography, flow, and fall of the principal rivers of Maryland, etc., p. 142. Swank, Jas. M. Iron ores in the United States. Mineral Resources U. S., 1883-84, Washington, 1885. Statistics of pig iron, 1S80-84, p. 252. Simply says, “ Very little Bessemer pig iron has been made in Maryland.” Wilbur, F. A. Clays. Mineral Resources U. S., 1883-84, Washington, 1885. Mentions clay belt. “ Brick made from this clay are noted for their great hardness and cherry-red color,” p. 696. Gives characteristics of pottery made from clays of Howard and Anne Arundel counties, p. 700. Williams, Jr. A. (Editor). Infusorial Earth. Mineral Resources U. S., 1883-1884, Washington, 1885, p. 720. Gives occurrence and analysis of “ tripoli ” from near Dunkirk, Calvert county. Subsequent remarks (M. R., 1885) show that the output was not over 250 tons in 18S5. Williams, George II. Dykes of apparently Eruptive Granite in the neighborhood of Baltimore. Johns Hopkins Univ. Cir. No. 38, vol. iv, 1S85, pp. 65-66. Describes the peginatic dykes at Jones Falls. Orange Grove, Ilchester, Relay and Avalon. 296 BIBLIOGRAPHY AND CARTOGRAPHY Amphibole-Anthopkyllife from Mt. Washington, Baltimore Co. Amer. Nat., vol. xix, 1885, 1884. Chemical analyses and description of a monoclinic hornblende with the composition of anthophyllite occurring as the gauge of chalcophyrite ore. Hornblende ans St. Lawrence Co., A. Y. ; amphibol-an- thophyllit ans Gegend von Baltimore (etc.). N. J. B., 1885, ii, p. 170. 1886. General Mining Hews — Maryland. Eng', and Min. Jour., vol. xlii, 1886, p. 29. The quarrying of large blocks of marble at the Beaver Dam quarries. Ibid. p. 29. Ashburner, Chas. A. Coal. Mineral Besources U. S., 1885, Washington, 1886, pp. 33-34. Gives statistics on shipments, production, prices and wages in George’s Creek coal field. Benton, Edward E. Notes on the samples of iron ore collected in Maryland. Tenth Census, vol. xv, Mining Industries of the U. S., Washington, 1S86, pp. 245-260. Notes, geological sections and analyses (p. 544). Chester, F. D. Kesults from a study of the Gabbros and asso- ciated Amphibolites in Delaware. Proc. Amer. Assoc. Adv. Sci., vol. xxxiv, 1886, pp. 215-216. Clarke, F. W. Eeport of work done in Division of Chemistry and Physics, 1884-85. Bull. U. S. Geol. Survey No. 27, 1886, p. 72. House Misc. Doc., 49th Cong., 2nd sess., vol. viii, No. 163. Analysis by R. B. Briggs of brown iron ore from near Timonium, Maryland. Cook, E. S. The Manufacture of Fire-Brick at Mount Savage, Maryland. Trans. Amer. Inst. Min. Eng., vol. xiv, 1SS6, pp. 698-706. Occurrence and composition of the clay used and description of the processes em- ployed. Day, D. T. Chromium. Mineral Besources U. S., 1S85, Washington, 1S86, p. 358. “ At Soldier’s Delight, Maryland, chrome was mined to the extent of 100 tons.” Frazer, Persifor, Jr. General Notes. Sketch on the Geology of York County, Pennsylvania. (Bead Dec. 4, 1885.) Proc. Amer. Phil. Soc., Phila., vol. xxiii, 1886, pp. 391-410. Discussion on the general structures, equally applicable to Maryland. MARYLAND GEOLOGICAL SURVEY 297 Goode, G. Brown. Presidential address. Beginnings of Natural History in America. Proc. Biol. Soe., Washington, vol. iii, 1886, pp. 35-105. Gives account of early scientific explorations. McGee, W J Geological Formations underlying Washington and Vicinity. Kept. Health Officer of the District of Columbia for the year ending' June 30, 1885, by Dr. S. Townsend, pp. 19-21, 23-35. (Abst.) by author in Amer. Jour. Sci., 3rd ser., vol. xxxi, 1886, pp. 473-1. Describes the composition and distribution of the Columbia and underlying Potomac formations and something of the Crystalline rocks. Geography and Topography of the head of Chesapeake Bay. (Bead to Amer. Assoc. Adv. Sci. 1886.) (Abst.) Amer. Jour. Sci., 3 ser., vol. xxxii, 1886, p. 323. Describes the drainage and topographic features. Peale, A. C. Lists and analyses of the mineral Springs of the U. S. Bull. U. S. Geol. Surv. No. 32, 1886, pp. 51-53. House Misc. Doc., 49th Cong., 2nd sess., vol. viii, No. 164. A number of springs are given in a tabulated list. These springs are not used as much as formerly, and some reports of springs of this character do not mention Mary- land in the list. Prime, Frederick, Jr. The Coals of the United States. Tenth Census, vol. xv, Mining Industries of the U. S., Washington, 1886. Maryland references, p. 855, coal, 895-6, 935-946; copper, 978; zinc, 983, 985, 987-8. Pumpelly, B. (Editor). Directory of Mines and Metallurgical Establishments East of the 100th Meridian. Tenth Census, vol. xv, Mining Industries of the U. S., Washington, 1S86. Maryland references, p. 855, coal, 895-6, 935-946; copper, 978; zinc, 983, 985, 987-8. Geological and Geographical distribution of the Iron Ores of the United States. Tenth Census, vol. xv, Alining Industries of the U. S., Washington, 1886, pp. 3-36. Maps, sections. Maryland ores, classed as Cambrian. Silurian, Cretaceous, and Quaternary. Swank, James M. Twenty-one years of progress in the manu- facture of Iron and Steel in the United States. Mineral Resources U. S., 1885, Washington, 1886, pp. 180-195. Gives statistics on pig iron, rails, rolled iron and steel in Maryland. BIBLIOGRAPHY A YD CARTOGRAPHY 2 !) 8 Weeks, T. D. Manganese. Mineral Resources U. S., 1885, Washington, 1886, p. 344. Refers to deposits of black oxide of manganese “ at Brookville, Montgomery county, and another on the Maryland side of the Potomac across from Harper’s Ferry. None at present mined in the state.” Williams, G. H. The Gabbros and Associated Hornblende Hocks occurring in the neighborhood of Baltimore, Md. Bull. U. S. Geol. Surv. No. 28, 1886, 78 pp., 4 pis. House Misc. Doc., 49th Cong., 2nd sess., vol. viii, No. 163. A petrographic study of these rocks accompanied by many photomicrographs, analyses and a map showing the position of actual outcrops and the distribution of rocks inferred therefrom. On a remarkable crystal of pyrite from Baltimore County, Maryland. Johns Hopkins Univ. Cir. No. 53, vol. vi, 1886, p. 30. Found west of Cromwell’s Bridge road, opposite Summerfield Station. Peculiar luster, color and merohedrism suggest columbite. 1887. Ashburner, Chas. A. Coal. Mineral Resources U. S., 1886, Washington, 1887, pp. 224-279. Statistics, notes, and companies of George’s Creek coal district and also the ship- ments from 1842-1886. Birkinbine, J. The Iron Ores East of the Mississippi river. Idem, p. 77. Analysis of brown hematite from central Maryland. Day t , D. T. Infusorial Earth. Idem, p. 587. States that “ the production for the year amounted to 1200 short tons with a spot value of $6000.” The source is “ near Dunkirk, Calvert county.” Duncan, P. Martin. On a new Genus of the Madreporaria (Gly- pliastrea Forbesi, Ed. and IT. from the Tertiaries of Md., U. S., with Plates). Quart. Jour. Geol. Soc., London, vol. xliii, 1887, pp. 24-32. Refers to writings by Milne-Edwards, Julius Haime, M. de Froinentel and others and gives a full description of Glyphastrea Forbesi. Hitchcock, C. H. The Geological Map of the United States. Proc. Amer. Inst. Min. Eng., vol. xv, 1887, pp. 465-48S. Gives an historical account of the geological maps previously published and shows one drawn in the colors adopted by the International Geological Congress. McGee, W J The Columbia Formation. Proc. Amer. Assoc. Adv. Sci., vol. xxxvi, 18.87, pp. 221-222. Summary of information concerning the formation. MARYLAND GEOLOGICAL SURVEY' 299 Ovibos cavifrons from the Loess of Iowa. Amer. Jour. Sci., 3rd ser., vol. xxxiv, 1887, pp. 217-220. A brief discussion of the conditions along the Middle Atlantic slope during Qua- ternary time. All notes on the size of the boulders deposited in the Susquehanna, Patapsco and Potomac deltas in Quaternary time. Stevenson, John J. Notes on the Lower Carboniferous groups along the easterly side of the Appalachian area in Pennsylvania and the Virginias. Amer. Jour. Sci., 3rd ser., vol. xxxiv, 1887, pp. 37-44. General discussion of the “ Umbral ” and “ Vespertine,” containing notes on the “ Umbral ” of Maryland, pp. 42-44. Swank, Jas. M. The American Iron Trade in 1886. Mineral Resources U. S., 1886, Washington, 1887. Gives statistics on production of iron for the year 1S86, p. 18. The American Iron Industry from its Beginning in 1619 to 1886. Idem, pp. 23-38. Gives a few interesting historical details concerning the iron industry of Maryland in early times. White, I. C. Bounded Boulders at High Altitudes along some Appalachian Rivers. Amer. Jour. Sci., 3rd ser., vol. xxxiv, 1887, pp. 374-381. Especially pp. 279 and 80 which deal with the bowlders on the eastern side of the Alleghanies. Considers these deposits to be due to different causes; submergence about Washington — even to Cumberland — ice dams (Wright) on western slopes, and snow slides which dammed the mountain streams. Williams, G. H. On a Plan Proposed for Future AVork upon the Geological Map of the Baltimore region. Johns Hopkins Univ. Cir. No. 59, 1887, pp. 122-123. Notes on the minerals occurring in the neighborhood of Baltimore. 18 pp. Baltimore, 1887. The minerals are described “ in preliminary way ” and are enumerated according to their paragenesis in seven classes. 1888. Anon. Prolusions for establishing meridian lines in the State of Maryland and for obseiwing the magnetic variation. Maryland Code, vol. i, pp. 424-426. 1888. Asiiburner, Chas. A. Coal. Mineral Resources U. S., 1S87, Washington, 1888, pp. 169, 171. 177, 263- 270, 337. Statistics of coal trade, wages and shipment. 300 BIBLIOGRAPHY AND CARTOGRAPHY Bodfish, D. H. On the new Topographical Map of Baltimore and vicinity. Johns Hopkins Univ. Cir. No. 65, vol. vii, 1888, p. 72. Letter describing map. Clark, ¥m. B. On three Geological Excursions made during the months of October and Hovember, 1887, into the southern counties of Maryland. Johns Hopkins Univ. Cir. No. 63, vol. vii, 1888, pp. 65-67. Stratigraphic description and lists of fossils. Geology of Eastern Maryland. Johns Hopkins Univ. Cir. No. 65, vol. vii, 1888, p. 73. Abstract of lecture showing that there is no proof of the deposition of sediment prior to Middle Mesozoic time, to the east of the Archean belt. Day, D. T. (Editor). Infusorial Earth. Mineral Resources U. S., 1887, Washington, 1888, p. 554. Analysis of infusorial earth from Pope’s Creek made by P. de P. Ricketts of New fork. Useful Minerals of the United States. Idem, pp. 739-742. Gives list of economic minerals and their occurrence and workings. Day, ¥m. C. Structural Materials. Idem. Statistics of the granite industry for 1887. p. 515; marble, p. 518; slate, p. 524; lime, p. 533; brick, pp. 536-538. Quarry opened at Guilford by Messrs. Smith & Johnson, p. 515. Gilbert, G. Iy. Administrative Reports. Geologic and Paleon- tologic Investigations. 7th Ann. Rept. U. S. Geol. Surv., 1885-86, Washington, 1886, p. 67. Hall, James, and Clarke, J. M. Paleontology, vol. vii. Text and Plates containing descriptions of the Trilobites and other Crust- acea of the Oriskany, Upper Helderberg, Hamilton, Portage, Che- mung and Catskill Groups. Geological Survey Hew York. Albany, 1888. Description and figures of numerous forms from Cumberland and vicinity. TIobbs, William H. On the rocks occurring in the neighborhood of Ilchester, Howard county, Maryland ; Being a detailed study of the area comprised in sheet Ho. 16 of the Johns Hopkins University map. Johns Hopkins Univ. Cir. No. 65, vol. vii, 1S88, pp. 69-70. (Abst.) Amer. Nat., vol. xxii, 1888, p. 527. Describes hypesthene gabbros, gabbro-diorite, and hornblende gneiss as a series due to progressive metamorphism; pyroxenites changing to talc and serpentine; granite porphyry carrying allanite-epidote. MARYLAND GEOLOGICAL SURVEY 301 Huntington, Oliver Whipple. Catalogue of all recorded Meteor- ites with a Description of the specimens in the Harvard College col- lection, including the cabinet of the late J. Lawrence Smith (pre- sented June 15, 1887). Proc. Amer. Acad. Arts and Sci., n. s. vol. xv, whole ser. xxiii, Boston, 1888, pp. 37-110. Mentions meteorites which fell at Nanjemoy, Charles county, Feb. 10, 12 A. M., 1825, No. 98 in Harvard College; and at Emmitsburg, 1854 (?), No. 211. Knowlton, F. H. The Fossil Lignites of the Potomac Formation. Proc. Amer. Assoc. Adv. Sci., vol. xxxvii, 1888, pp. 206-208. Abstract of the original paper, which itself is an abstract of Bull. IT. S. Geol. Surv. No. 56. Marsh, O. C. Notice of a New Genus of Sauropoda and other new Dinosaurs from the Potomac Formation. Amer. Jour. Sci., 3rd ser., vol. xxxv, 1888, pp. 89-94, Figs. 1-9. Description of remains collected largely from the vicinity of Muirkirk, Prince George County, by J. B. Hatcher under the auspices of the U. S. Geol. Surv., including Pleuro- coelus nanus (gen. et sp. nov.), Pleurocoelus altus (sp. nov.), Allosaurus medians (sp. nov.) and Coelurus gracilis (sp. nov.). McGee, AY J The Geology of the Plead of Chesapeake Bay. 7th Ann. Bept. U. S. Geol. Surv., 1885-86, Washington, 1888, pp. 537-646, plates 56-71. (Abst.) Amer. Geol., vol. i, 1887, pp. 113-115. The author discusses the hydrography, topography, exposures and geological forma- tions; and concludes with a summary of the Quaternary history as recorded in the Columbian formation, in its local and more general application. ■ Administrative Deports. Geologic and Paleontologic In- vestigations. 7th Ann. Bept. U. S. Geol. Surv., 1885-86, Washington, 1888, p. 110. The Columbia Formation. Proc. Amer. Assoc. Adv. Sci., vol. xxxvi, 1888, pp. 221-222. Brief paper on general relations and summary. — Three Formations of the Middle Atlantic Slope. Amer. Jour. Sci., 3rd ser., vol. xxxv, 1888, pp. 120-143, 328-331, 367-388, 448-466, plate ii. (Absts.) Nature, vol. xxxviii, 1888, pp. 91, 190. Amer. Geol., vol. ii, 188S, pp. 129-131. Introduction (pp. 120-143), and Potomac (pp. 328-331), Appomattox (pp. 367-388), Columbia (pp. 448-466), Conclusion. Paleolithic man in America; his Antiquity and Environ- ment. Pop. Sci. Mo., vol. xxxiv, 1888-89, pp. 20-36. Discusses the geology at the head of the Chesapeake Bay. 302 BIBLIOGRAPHY AND CARTOGRAPHY Meyer, Otto. Some remarks on the present state of our Knowl- edge of the North American Eastern Tertiary. Amer. Geol., vol. ii, 1888, pp. 88-94. Objects to Heilprin's correlations. Swank, Jas. M. The Iron and Steel Industries of the United States in 1887 and 1888. Mineral Resources U. S., 1887, Washington, 1888. Statistics, p. 11. First coke furnaces in the South established near Frostburg in 1839, p. 22. Uhler, P. R. Sketch of the History of the Maryland Academy of Science. Trans. Maryland Acad. Sci., vol. i, 1888, pp. 1-10. The Albirupean Formation and its nearest relatives in Maryland. Proc. Amer. Phil. Soc., vol. xxv, 1888, pp. 42-53. Reply by H. Carville Lewis, pp. 53-54. A. Heilprin, p. 54. (IJhler) introduces Albirupean and Baltimorean, giving vertical sections and a map showing distribution of his formations. (Lewis) objects to terms as unnecessary and says that “ Albirupean ” as used includes Mesozoic. Heilprin agrees with Lewis. Observations on the Eocene Tertiary and its Cretaceous Associates in the State of Maryland. Trans. Md. Acad. Sci., vol. i, 1888, pp. 11-32. Description of distribution, characteristics, paleontology, etc., of the Cretaceous and Eocene; and discussions of the relations and correlations of some portions of the latter. Ward, Lester E. Administrative Reports. Geologic and Paleon- tologic Investigations. 7th Ann. Rept. IT. S. Geol. Surv., 1885-86, Washington, 1888, p. 125. Evidence of Fossil Plants as to the Age of the Potomac Formation. Amer. Jour. Sci., 3rd ser., vol. xxxvi, 1888, pp. 119-131. Concludes that the fossil plants of the Potomac present no serious obstacle to its reference to the Jurassic. Whitney, J. D. Physical Geography and Statistics. Part II. of article on United States. Encyclopedia Britannica, vol. xxiii, New York, 18S8, pp. 791-817. Gives summary of information on topography, geology, climate, vegetation and mineral resources. Williams, George IT. Geology of the Baltimore Region. Johns Hopkins Univ. Cir. No. 65, vol. vii, 1888, p. 73. Report of a lecture in which the author refers to the sequence of the eruptions in the Plutonic rocks of the area. MARYLAND GEOLOGICAL SURVEY 303 — - Progress of Work on the Archean Geology of Maryland. Johns Hopkins Univ. Cir. No. 65, vol. vii, 18S8, pp. 61-63. Sketch of Maryland geology and of the relations of the gneisses and eruptives about Baltimore and thence northward. 1889. Anon. Mining Rotes. Eng. and Min. Jour., vol. xlviii, 1SS9. Reference to Gold Mining at Great Falls (pp. 56, 2351. Bry'an, 0. 1ST. The Cretaceous Formation of Southwestern Mary- land. Amer. Nat., vol. xxiii, 1889, pp. 713-714. Deposits of Cretaceous age found to outcrop from beneath a covering of Eocene strata. Certain beds at Fort Washington assigned to the Jurassic. Clark, Wm. B. Discovery of fossil-bearing Cretaceous strata in Anne Arundel and Prince George Counties, Maryland. Johns Hopkins Univ. Cir. No. 69, vol. viii, 1889, pp. 20-21. Description of type localities, enumeration of fauna and correlation with Lower Marls of New Jersey. Clarke, F. W. Report of work done in the Division of Chemistry and Physics, 1886-87. Bull. U. S. Geol. Surv. No. 55, 1889. Also House Misc. Doe., 51st Cong., 1st sess., vol. xxxii, No. 244. Two analyses of “ Triassic Sandstone ” from the Jaittelle quarry near Hancock (this is not a Triassic sandstone) (p. SO), and one of lepidomelane from Baltimore (p. 14). Dutton, C. E. The Charlestown Earthquake of August 31, 1886. 9th Ann. Rept. U. S. Geol. Surv., 1889, pp. 363, 366, 369, 453. Report of earthquake observations in Maryland, August 31, 1S86. Fontaine, W. M. Potomac or Younger Mesozoic Flora. Mono. U. S. Geol. Surv., No. 15, 1889, 377 pp., 180 plates. House Misc. Doc., 50th Cong., 2nd sess., vol. xvii, No. 147. (Rev.) Amer. Jour. Sci., 3rd ser., vol. xxxix, 1890, p. 520 (L. E. W.). Introduction, p. 4. A description of some fossil plants from the neighborhood of Baltimore, chiefly from Federal Hill and Ft. Washington, is given including twenty- five new species. Gannett, Henry. Administrative Reports. Topographic Work in Maryland. 9th Ann. Rept. U. S. Geol. Surv., 1887-88, Washington, 1889, pp. 52-55. Gives notes as to time and men involved in the surveying of Maryland for that year. Gill, A. C. Minerals from the chrome pits of Montgomery county, Maryland. Johns Hopkins Univ. Cir. No. 75, vol. viii, 1S89, p. 100. Description of Chrome — Tourmaline, Fuchsite and Rutile. 301 BIBLIOGRAPHY AND CARTOGRAPHY' Hobbs, Wm. H. On the Paragenesis of the Allanite and Epidote as Rock-forming Minerals. Amer. Jour. Sci., 3rd ser., vol. xxxviii, 1889, pp. 223-228. (Abst.) Amer. Nat., vol. xxiii, 1889, p. 721. A study of the epidote-allanite intergrowths found in the porphyritic granites of Ilchester, Md. Iynowlton, E. H. Fossil Wood and Lignites of the Potomac For- mation. (Read before Amer. Assoc. Adv. Sci. 1888.) Amer. Geol., vol. iii, 1889, pp. 99-106. Occurrence at Ft. Washington, White House Landing, Washington City, Baltimore, etc., pp. 101-103. Determination of the trees, pp. 104 et seq. Resume of Bull. U. S. Geol. Surv. No. 56. (Abst.) Proc. Amer. Assoc. Adv. Sci., vol. xxxviii, 1889, pp. 206-208. Amer. Geol., vol. iv, 1890, p. 324. — ■ Fossil Wood and Lignite of the Potomac Formation. Bull. U. S. Geol. Surv. No. 56, Washington, 18S9. House Misc. Doc., 51st Cong - ., 1st sess., vol. xxxii, No. 244. Maryland references, pp. 38-43. McGee, W J The Geological Antecedents of Man in the Poto- mac Valley. Amer. Anth., vol. ii, 1889, pp. 227-234. Gives an account of the geological, topographic and climatic history of the Potomac from Mesozoic time. Administrative Reports. Geologic and Paleontologic In- vestigations. 8th Ann. Rept. U. S. Geol. Surv.. 1886-18S7, Washington, 1889, pt. i, p. 167. Marsh, O. C. Administrative Reports. Geologic and Paleonto- logic Investigations in Maryland. 9th Ann. Rept. U. S. Geol. Surv., 1S87-88, Washington, 1SS9, pp. 114-115. The results proved conclusively that the Potomac, as shown in the typical localities in Maryland, is of Upper Jurassic age, and contains a rich and varied vertebrate fauna. Merrill, G. P. The Collection of Building and Ornamental Stones in the IT. S. Rational Museum. Smithsonian Rept., 1886, pt. ii, 1S89, pp. 277-648, plates 1-9. Over twenty references to Maryland building stone resources. Meyer, Otto. Upper Tertiary Invertebrates from the West Side of Chesapeake Bay. (Read Aug. 1S88.) Proc. Acad. Nat. Sci.. Phila., 1888, vol. xl. 1889, pp. 170-171. Describes Aligena sharpi (n. sp.) and others, but the localities are indefinite, possibly from Yorktown, Va. MARYLAND GEOLOGICAL SURVEY 305 Russell, I. C. The Newark System. Amer. Geol., vol. iii, 1889, pp. 178-1S2. A discussion of nomenclature and adoption of the term Newark. Subaerial Decay of Rocks and Origin of the Red Color of Certain Formations. Bull. U. S. Geol. Surv. No. 52, 1889, 65 pp. 5 plates. House Misc. Doc., 50tli Cong - ., 2nd sess., vol. xi, No. 138. (Abst.) Amer. Geol., vol. v, 1890, pp. 110-111. Citation of illustrations from Maryland and incidentally comparison of the amount of decay in that state with the decay in other states north and south, pp. 9, 12, 13, 23. Schuchert, Chas. A list of Fossils Occurring in the Oriskany Sandstone of Maryland, ISTew York and Ontario. 8th Ann. Rept. N. Y. State Geol., Albany, 1889, pp. 50-54. 42nd Anm Rept. N. Y. State Museum. Albany, 1889, pp. 396-400. Enumerates 63 species from Cumberland. Uhler, P. R. Additions to observations on the Cretaceous and Eocene formations of Maryland. Trans. Md. Acad. Sci., vol. i, 1889, pp. 45-72. An account of the characteristics, fossils and relations at various localities. Ward, Lester F. The Geographical Distribution of Fossil Plants. 8th Ann. Rept. U. S. Geol. Surv., 1886-87, Washington, 1889, part ii, pp. 663-960, maps. Refers to the fossil plant deposits at Frostburg, Baltimore, Grove Point, Deep Run. Jessup’s Cut, and Beltsville, p. 647. Pages S70-872 deal particularly with Maryland. Administrative Reports. Geologic and Paleontologic In- vestigations. 8tli Ann. Rept. U. S. Geol. Surv., Washington, 1889, part i, pp. 184-188. White, Chas. A. The North American Mesozoic. ' * Science, vol. xiv, 1889, p. 160. (Abst.) Amer. Assoc. Adv. Sci., vol. xxxviii, 1890, p. 207. Some reference to fossils found by Tyson in Maryland. Williams, George H. Contributions to the Mineralogy of Mary- land. Johns Hopkins Univ. Cir. No. 75, vol. viii, 1889, pp. 99-100. A supplement to “ Notes on the minerals occurring in the neighborhood of Balti- more, 1887.” Enumerates minerals and localities about Baltimore and throughout the state. 1890. Anon. Mining Notes. Eng. and Min. Jour., vol. xlix, 1890. Statistics on coal output and accidents, p. 267. 306 BIBLIOGRAPHY AND CARTOGRAPHY Ashburner, Chas. A. Coal. Mineral Resources U. S., 1888, Washington, 1890. Statistics, pp. 169, 171, 206, 280-283. See also pp. 175, 181, 182. Browne, ¥m. EL, and Ritchie, Albert. Report of the Com- mittee on the Western Boundary of Maryland. Md. Hist. Soc. Fund Pub., No. 29, 40 pp. Baltimore, 1890. Chamberlain, Thos. C. (Some Additional Evidences Bearing on the Interval between the Glacial Epochs.) Bull. Geol. Soc. Amer., vol. i, 1890, pp. 469-480. During the discussion the terraces of the Monongahela et als. are discussed. The author considers them due to river erosion. Chester, F. D. The Gabbros and Associated Rocks in Delaware. Bull. U. S. Geol. Surv. No. 59, Washington, 1890. House Misc. Doc., 51st Cong'., 1st sess., vol. xxxii, No. 244. (Abst.) Amer. Nat., vol. xxv, p. 1002. Refers to similar rocks in Maryland and shows an areal distribution in Cecil county and exhaustive study of the gabbroic rocks in Delaware, pp. 7. 27. 36. Clark, Wm. B. Third Annual Geological Expedition into South- ern Maryland and Virginia. Johns Hopkins Univ. Cir. No. 81, vol. ix, 1890, pp. 69-71. Describes the Eocene section of the Potomac River valley in Maryland and Virginia. Clarke, F. W. Report of work done in the Division of Chemistry and Physics, 1887-88. Bull. U. S. Geol. Surv. No. 60, 1890, p. 159. House Misc. Doc., 51st Cong., 1st sess., vol. xxxii, No. 244. Analyses of white dolomitic marble from Cockeysville, by J. E. Whitfield. Report of work done in the Division of Chemistry and Physics, 1888-89. Bull. U. S. Geol. Surv. No. 64, Washington, 1890. House Misc. Doc., 51st Cong., 2nd sess., vol. xv, No. 126. Analyses of chrome — tourmaline and fuchsite from Etchison P. O., Montgomery county, by T. M. Chatard, p. 41. Of pyroxenites and smaragdite from Baltimore county, by J. E. Whitfield, p. 42. Of pyroxenites and diallage bronzite rock from same region, by T. M. Chatard, p. 43. Dale, Wm. II. Contributions to the Tertiary Fauna o’f Florida. Trans. Wagner Free Inst. Sei., Phila., vol. iii, 1S90-1895, 570 pp. Gives the descriptions and figures of many Maryland forms. Day, D. T. Abrasive Materials. Mineral Resources U. S., 1888, Washington, 1890. Statistics for year on Lyons Creek Mine, near Dunkirk, Calvert county, p. 57S. MARYLAND GEOLOGICAL SURVEY 307 Structural Material. Mineral Resources U. S., 1888, Washington, 1890. Statistics of the granite industry for 1888. pp. 536, 538; marble, p. 541; slate, p. 541; cement, p. 551; lime, p. 555; brick, pp. 560, 566. See also p. 526. Emmons, S. F. Motes on the Gold-Deposits of Montgomery County, Maryland. Trans. Amer. Inst. Min. Eng-., vol. xviii, 1890, pp. 391-411. Geological occurrence of the gold ores -with an account of mining operations since 1S67. Suggestions regarding the best methods of economical development of the deposits. Hobbs, TC. H. Ueber die Verwachsung von Allanit (Orthit) und Epidot in Gesteinen. Tschermak’s min. u. pet. Mitth., vol. xi, 1890, pp. 1-6. On some metamorphosed eruptives in the crystalline rocks of Maryland. Trans. Wis. Acad. Sci., vol. viii, 1S90, pp. 156-160. Discussion of the metamorphism of gabbro to hornblende gneiss. Illustrations taken from the vicinity of Baltimore and Ilchester. Holmes, W. H. A Quarry workshop of the flaked stone imple- ment makers in the District of Columbia. Amer. Anth., vol. iii, 1890, pp. 1-26. Gives a section through the Potomac gravels on Piney Run and a photograph of the “ head ” of a 44 foot trench. Excavations in an Ancient Soapstone Quarry in the Dis- trict of Columbia. Amer. Anth., vol. iii, 1890, pp. 321-330. Gives a few facts on the geological occurrence of the quarries and describes the pro- ducts of the quarrymen. Keyes, Charles Rollin. Discovery of fossils in the limestone of Frederick Co., Maryland. Johns Hopkins Univ. Cir. No. S4, vol. x, 1890, p. 32. Gives a geological section and description of Frederick valley and enumerates the fossils found there. Iaunz, Geo. F. Gems and Precious Stones of North America. 4to. Scientific Pub. Co., New York, 1890. [2nd edit. 1892.] Macfarlaxe, J. R. An American Geological Railway Guide. 2nd edit. 8vo, 426 pp. Appleton, 1890. Maryland notes based on data from Uhler, Williams, Fontaine and Chester. ’ Patterson, Harry J. Report of the Chemist. 2nd Ann. Eept. Md. Agri. Exper. Sta. College Park, 1890, pp. 67-94. Remarks on the composition of marls and soils from Maryland with many analyses, pp. 79-87. 308 BIBLIOGRAPHY AND CARTOGRAPHY Scharf, J. T. Report of tlie Commissioner of Land Office, Report from Jan. 1st, 1888, to Jan. 1st, 1890, . . . with, a series of carefully prepared articles on Maryland’s resources. . . . 1890. Md. House of Delegates, Dec. Sess., 1890, 8vo, 148 pp. Swank, James M. Tlie Iron and Steel Industries of the United States in 1888 and 1889. Mineral Resources U. S., 1888, Washington, 1890. Statistics on production, pp. 11, 23. Uhler, P. R. Rotes on Maryland. Macfarlane’s An American Geol. R. R. Guide, 2nd edit., Appleton, 1890. Gives many notes on the formations along the different railroads of the state. Rotes and Illustrations to “ Observations on the Cretace- ous and Eocene Formations of Maryland.” Trans. Amer. Acad. Sci., vol. i, 1890, pp. 97-104. Gives a general descriptive section in which are introduced the divisions “ Alternate clay-sands,” “ black marls,” “ clay marls,” “ mottled sands,” “ loose marl,” and “ cell marl.” Also columnar and diagrammatic sections. Williams, G. H. Geology of the vicinity of Baltimore. Macfarlane’s Geol. R. E. Guide, 2nd edit., pf>. 334-335. Descriptions of the crystalline rocks, in the form of short notes on the formation at different stations. Administrative Report. The work in the crystalline rocks of Maryland. 10th Rept. U. S. Geol. Surv., 1S88-89, pt. i, Washington, 1890, pp. 152-154. (Abst.) idem, pp. 31-32. Account of scope of the work and statement of results of a study along the boun- dary between the crystalline and semi-crystalline rocks and in the area about Baltimore. The Ron-feldspathic Intrusive Rocks of Maryland and the cause of their Alteration. Amer. Geol., vol. vi, 1890, pp. 35-49. This was written as the first of two papers describing the serpentine, peridotites and pyroxenites of the state and deals with the original rocks. The second paper was to deal with the alteration of these rocks, but was never published. 1891. Anon. General Mining Rews — Maryland. Eng. and Min. Jour., vol. li, 1891, p. 175. Notes on the gold mines of Montgomery county. Occurrence of galena. Mining Rotes. Eng. and Min. Jour., vol. li, 1891, p. 238. Census Bull. Coal. Statistics, coal, p. 28; p. 175, half column on Montgomery gold. MARYLAND GEOLOGICAL SURVEY 309 Notice of a relief map of Baltimore. Science, vol. xvii, 1891, p. 339. Brief description of the model now in the Geol. Laboratory of the Johns Hopkins University. Clark, Wm. B. Correlation papers — Eocene. Bull. U. S. Geol. Surv. No. 83, 1S91. House Misc. Hoc., 52nd Cong., 1st sess., vol. xs, No. 25. (Abst.) Johns Hopkins Univ. Cir. No. 103, vol. xii, 1893, p. 50. The author gives the literature and an historical discussion of the same, pp. 20-33; characteristics of the formation, pp. 43-45, and correlation, p. 80. Report on the Scientific Expedition into Southern Mary- land. [Geology; W. B. Clark. Agriculture; Milton Whitney. Arch- aeology; W. H. Holmes.] Johns Hopkins Univ. Cir. No. 89, vol. x, 1891, pp. 105-109. Describes areas previously considered, giving structural and columnar sections with a few of the type fossils. Clarice, F. W. Report of work done in Division of Chemistry and Physics, 18S9-90. Bull. U. S. Geol. Surv. No. 78, 1891. House Misc. Doc., 52ncl Cong-., 1st sess., vol. xx, No. 25. _ Analyses by T. M. Chatard of Websterite, and diopside from Hebbsville, p. 122. Darton, N. H. Mesozoic and Cenozoic Formations of Eastern Virginia and Maryland. Bull. Geol. Soc. Amer., vol. ii, 1891, pp. 431-450, map, sections. (Abst.) Amer. Geol., vol. vii, 1891, p. 185. Amer. Nat., vol. xxv, 1891, p. G5S. A general discussion of the different formations and their type localities, accom- panied by a geological map and sections. Davis, W. M. The Geological Dates of Origin of Certain Topo- graphic Forms on the Atlantic Slope of the United States. Bull. Geol. Soc. Amer., vol. ii, 1891, pp. 541-542, 545-586. (Abst.) Amer. Geol., vol. viii, 1891, p. 260. (See figs. 3 and 4 on pp. 650-561 for Cretaceous peneplain in Maryland, also neigh- boring text). A general study of the peneplains and the Piedmont Plateau of the Atlantic slope, in which it is maintained that the Permian and Jurassic constructional topography of the Atlantic slope was practically obliterated over the greater part of the area, resulting in a Cretaceous peneplain. Douglas, James. The Copper Resources of the United States. Trans. Amer. Inst. Min. Eng., vol. xix, New York, 1891, pp. 678-703. Merely a mention of the abandoned Liberty mines. Dunnington, F. P. Distribution of Titanic Oxide upon the Sur- face of the Earth. Amer. Jour. Sci., 3rd ser., vol. xlii, 1891, pp. 491-495. Percentage of titanic oxide found in a “ limestone soil ” from Worthington’s Valley, Baltimore county, Md. Air dried 1.17 per cent., ignited 1.26 per cent., p. 492. 310 BIBLIOGRAPHY AND CARTOGRAPHY Gannett, Henry. A Dictionary of Altitudes in the United States. (Second edit.) Bull. U. S. Geol. Surv. No. 76, Washington, 1891. House Misc. Doc., 52nd Cong., 1st sess., vol. xix, No. 24. Gives the altitude of about two hundred points in Maryland. Geiger, H. 11., and Keith, Arthur. The Structure of the Blue Kidge near Harper’s Ferry. (Bead Dec. 1890.) Bull. Geol. Soc. Amer., vol. ii, 1891, pp. 155-164, plates iv and v. (Abst.) Amer. Geol., vol. vii, 1891, p. 262. Amer. Nat., vol. xxv, 1891, p. 658. The authors conclude that the sandstones are not Potsdam, as previously considered, but Upper Silurian. The paper is accompanied by geological map and sections. Jones, John II. (Spec. Agt.). Census Bulletins of the Coal In- dustry in 1889. Eng. and Min. Jour., vol. li, 1891, it. 238. Contains remarks on Maryland and a table of the output from the Cumberland region fromT870 to 1889 inclusive. Keyes, Charles Bollin. Paleozoic fossils of Maryland. Johns Hopkins Univ. Cir. No. 94, vol. xi, 1891, pp. 2S-29. Enumerates the fossils and type localities. A Geologic Section across the Piedmont Plateau in Mary- land. Bull. Geol. Soc. Amer., vol. ii, 1891, pp. 319-322. (Published separately, 1890.) (Abst.) Amer. Geol., vol. viii, 1891, p. 331. Besides the general treatment of the structure from Washington to Catoctin Mt. there is a very brief discussion of structure of Sugar Loaf Mt., p. 322. Kinnecutt, B. P., and Bogers, J. F. Fire Clay from Mount Savage, Allegany Co., Md. Jour. Anal, and Appl. Chem., vol. v, 1891, p. 542. Gives analyses and mode of occurrence of the Mt. Savage fire clay (quoted in J 0 ur. Iron and Steel Inst., vol. i, 1892, p. 306). Lindenkohl, A: JSTotes on the submarine channel of the Hudson river and other evidences of postglacial subsidence of the middle Atlantic coast region. Amer. Jour. Sci., 3rd ser., vol. xli, 1891, pp. 489-499, IS plates. The arguments are based on submarine topography and bathymetric contours, and embrace many hitherto unpublished facts which point to a subsidence since glacial time of several hundred feet (Hudson), fifty feet (Havre de Grace), eleven feet (Georgetown). McGee, W J The Lafayette Formation. 12th Ann. Eept. U. S. Geol. Surv., 1890-91, Washington, 1S91, pp. 347-521. A monographic study introducing a description of the coastal plain and the typical areas of the Lafayette; a discussion of its synonymy and a development oi the history recorded in the formation. MARYLAND GEOLOGICAL SURVEY 311 Geology of Washington and Vicinity. In Guide to 'Washington and its Scientific Institutions. Compte rendu, International Congress of Geologists, 1891. House Misc. Doc., 53rd Cong., 2nd sess., vol. xiii, Ho. 107. Prepared Tilth the collaboration of G. H. Williams, N. H. Darton and Bailey Willis. Summary of the local geology. Administrative Reports. Geologic and Paleontologic In- vestigations. 12th Ann. Eept. U. S. Geol. Surv., 1890-91, Washington, 1S91, part i, pp. 72, 76, 117. Includes the reports of G. H. Williams and N. H. Darton. Merrill, G. P. Stones for Building and Decoration. 8vo. 153 pp. Wiley, 1891. Discusses the distribution, characteristics and production of the Maryland building stones. Patterson, Harry J. Report of tlie Chemist. 3rd Ann. Kept. Md. Agri. Exper. Sta. College Park, 1S&1, pp. IIS-129. Discussion of Maryland marls with several analyses, pp. 119-125. Russell, I. C. Are there Glacial Records in the Xewark System? Amer. Jour. Sci., 3rd ser., vol. xli, 1891, pp. 499-505. The author fails to find any evidence for glacial action. Walcott, C. D. Correlation Papers — Cambrian. Bull. U. S. Geol. Surv. Ho. 81, 1891. House Misc. Doc., 52nd Cong., 1st sess., vol. xx, Xo. 25. Based chiefly on Tyson’s Report, pp. 133, 2S7, 290. For problems unsolved see pp. 382-383. Ward, L. F. The plant-hearing deposits of the American Trias. Science, vol. xviii, 1891, pp. 287-288. Correlates with the Keuper and the Rhaetic. The Geographical Distribution of Fossil Plants. Sth Ann. Kept. U. S. Geol. Surv., 1886-S7, part ii, Washington, 1S91, pp. 663-960. See pp. S70-S72. Carbonaceous plants from Allegany county. Cretaceous plants of Eastern Maryland. White, C. A. Correlation papers — Cretaceous. Bull. U. S. Geol. Surv. Xo. 82, 1891. House Misc. Doc., 52nd Cong., 1st sess., vol. xx, Xo. 25. Describes the Cretaceous belt of Maryland, pp. 88-90. White, Israel C. Stratigraphy of the Bituminous Coal Field of Pennsylvania, Ohio and West Virginia. Bull. U. S. Geol. Surv., Xo. 65, 1891. House Misc. Doc., 51st Cong., 2nd sess., vol. xiii, Xo. 136. Gives few references and a map which covers a small part of Garrett county. 312 BIBLIOGRAPHY AND CARTOGRAPHY Whitney, Milton. Soil Investigations. 4th Ann. Eept. Md. Agri. Exper. Sta. College Park, pp. 249-296. General discussion of methods and a classification of the soils based on study of samples from various parts of Maryland. On the structure and Some Physical Properties of Soils. Johns Hopkins Univ. Cir. No. 90, vol. x, 1891, pp. 123-125. Shows that the exhaustion of soils is physical rather than chemical and that the action of ammonia and lime affects the state of aggregation of the soils. Williams, G. H. Administrative Report. Report of Work done on the Piedmont Crystallines. In McGee’s Administrative Eeport. 11th Ann. Eept. U. S. Geol. Surv., 1889-90, part i, Washington, 1891, pp. 66 - 68 . Administrative Reports. Report of work done on the crystalline and semi-crystalline rocks of Maryland during 1890-91. 12th Ann. Eept. U. S. Geol. Surv., 1890-91, part i, Washington, 1891, pp. 73-74. Petrography and Structure of the Piedmont Plateau in Maryland. Bull. Geol. Soc. Amer., vol. ii, 1891, pp. 301-318, plate xii. Covers in a general way the physiography, petrography and structure. The paper is accompanied by geological map and sections. In the discussion following the author mentions Triassic fossils from near Frederick and Utica Mills. [On Transition of Crystalline and semi-crystalline rocks in Maryland.] Bull. Geol. Soc. Amer., vol. ii, 1891, pp. 223-224. During discussion of Prof. Pumpelly’s paper on “ The relation of secular Rock disintegration to certain Transitional Crystalline schists,” Williams alludes to the contact between the two series as an illustration of a contact obscured by similarity in material and subsequent metamorphism. — — — - The geological excursions by University students across the Appalachians in May, 1891. Johns Hopkins Univ. Cir. No. 94, vol. xi, 1891, pp. 25-27. Gives structural and columnar sections with an itinerary of trip. Anglesite, Cerussite, and Sulphur from the Mountain View Lead Mine, near Union Bridge, Carroll Co., Maryland. Johns Hopkins Univ. Cir. No. 87, vol. x, 1891, pp. 73-75. Includes brief account of surrounding geology and figures numerous crystals. Williams, IT. S. Correlation Papers — Devonian and Carbonifer- ous. Bull. U. S. Geol. Surv. No. 80, 1891. House Misc. Doc., 52nd Cong., 1st sess., vol. xix, No. 24. MARYLAND GEOLOGICAL SURVEY 313 AYoolman, Lewis. Artesian wells and water-bearing horizons of Southern ISTew Jersey (with a “ note on the extension southward of diatomaceous clays and the occurrence there of flowing artesian wells ”). New Jersey Geol. Surv., Kept. State Geologist for 1890, 1891, pp. 269-276. Mention of the outcropping of diatomaceous deposits at Broad Creek, Herring Bay, Patuxent River, Nottingham, Calvert county, Port Tobacco, also clay beds containing diatoms at from 275 to 360 feet in wells at Cambridge, p. 275. 1S92. Babb, Cyrus C. The Hydrography of the Potomac Basin. Amer. Soc. Civ. Eng-., vol. xxvii, 1892, pp. 21-33. Author considers the area of precipitation, rainfall, shape of valleys, etc. Discus- sion, pp. 33-38, by G. H. Mendall, H. F. Durham, F. H. Newall and the author. Clark, ¥m. B. The Surface Configuration of Maryland. Monthly Kept. Md. State Weather Service, vol. ii, 1S92, pp. 85-89. General summary of physical features. Clarke, P. AY. Report of work done in the Division of Chemistry and Physics, 1890-91. Bull. U. S. Geol. Surv. No. 90, Washington, 1892. House Misc. Doc., 52nd Cong., 2nd sess., vol. xxiv, No. 7. Contains analyses of Dolomite from Cockeysville, by E. A. Schneider, p. 66. Granites from Guilford, Sykesville and Woodstock and inclusions, by W. T. Hildebrand, pp. 66-67. Ball, AA r . LI., and Harris, G. D. Correlation Papers — Meocene. Bull. U. S. Geol. Surv. No. 84, 1892. House Misc. Doc., 52nd Cong., 1st sess., vol. xliii, No. 337. Gives a descriptive account with several columnar sections of the Miocene, also a map showing distribution throughout the U. S., pp. 49-54. Dana, E. S. Manual of Mineralogy. AViley, Hew York, 1892. 113d pp. List of minerals and mineral localities in Maryland. Also similar lists in earlier editions of Dana’s System of Mineralogy. Day t , D. T. Mineral Paints. Mineral Resources U. S., 1889-90, Washington, 1892. Statistics, p. 508. 1 — (Editor). Infusorial Earth. Idem. Statistics, p. 459. 1 Day t , AYm. C. Stone. Idem. Statistics of the limestone industry for 1S8S-S9, p. 373; granite, p. 374; marble, p. 375; slate, p. 376. Details on stone industry, pp. 378-400, including analysis of Harford county serpentine, by Dr. F. A. Genth (p. 400). See also p. 424. 1 1 The statistics for the year are also given in the Eleventh Census. 314 BIBLIOGRAPHY AND CARTOGRAPHY * Foote, A. E. A Few Meteoric Iron from Garrett county, Mary- land. Amer. Jour. Sci., 3rd ser., vol. xliii, 1892, p. 64, plate i. Proc. Acad. Nat. Sci., Phila., 1892, vol. xliii, p. 455. The meteorite is characterized by a high per cent, of cobalt, octahedral etching and “ Laphamite ” markings. Hilgard, Eugene IV. The Age and Origin of the Lafayette For- mation. Amer. Jour. Sci., 3rd ser., vol. xliii, 1892, pp. 389-402. Thinks that McGee has carried the explanation and conditions characteristic for the Atlantic coast into the area of the Mississippi embayment where the author thinks “ a materially different mode of development has occurred,” p. 344. Jones, J. IT. Coal. House Misc. Doc., 52nd Cong., 1st sess., vol. 1, pt. i, No. 340. Eleventh Census, Report on Mineral Industries, 1892, pp. 345-422. Maryland statistics, pp. 384-386. Keith, Arthur. The Geologic Structure of the Blue Ridge in Maryland and Virginia. Amer. Geol., vol. x, 1892, pp- 362-368. Broadly considered, the region is an anticline, where an arch is crumpled into sev- eral synclines and broken by faults till the resultant structure is quite complicated. Kent, Wm. Gold and Silver. Mineral Resources U. S., 1SS9-90, Washington, 1892. Production of gold (from Eleventh Census), p. 49. Lesley, J. P. A Summary description of the Geology of Pennsyl- vania. 3 vol. Harrisburg, 1892. Numerous references to formations passing southwards into Maryland. Kewbury', S. B. Cement. Mineral Resources U. S., 1889-90, Washington, 1S92. Statistics on hydraulic cement from Maryland, p. 461. Parker, E. W. Coal. Idem. Coal statistics, pp. 146, 148, 170, 221-225. See also p. 155. Peale, A. C. Mineral "Waters. Idem. Enumeration of the springs reported for the year, p. 52S. with statistics, p. 522. Rice, Clinton. Maryland Mines. Eng. and Min. Jour., vol. liii, 1892. Short communication concerning the gold mine opened in Hyattsville and the closing of those near Great Falls, p. 565. MARYLAND GEOLOGICAL SURVEY 315 Eothwell, Richard P. Gold and Silver. House Misc. Doc., 52nd Cong-., 1st sess., vol. 1, pt. i, No. 340. Eleventh Census, Eeport on Mineral Industries, 1892, pp. 33-152. Russell, I. C. Correlation Papers — The Newark System. Bull. U. S. Geol. Surv. No. 85, 1892. House Misc. Doc., 52nd Cong-., 1st sess., vol. xliii, No. 337. Bibliography and areal distribution for Maryland, pp. 20-S5. Scharf, J. Thomas. The Natural Resources and advantages of Maryland, being a complete description of all of the counties of the State and the City of Baltimore. Annapolis, 1S92. This paper contains general information presented in a popular style. Swank, James M., and Birkinbine, J. Iron Ores. Mineral Eesources U. S., 1889-90, Washington, 1892. Statistics, pp. 24, (34), 35, 36, (38), 39, 40, 41. Uhler, P. E. Albirupean Studies. Trans. Aid. Acad. Sci., vol. i, 1890-92, pp. 185-202. A general discussion of different areas of the “ Albirupean ” (between the top of the “ Variegated clays ” of the Iron ores series and the bottom of the marine Cretaceous). This formation is considered distinct in origin, deposition, extent and fossil contents. Yan Hise, Chas. R. Correlation Papers — Archean and Algonkian. Bull. U. S. Geol. Surv. No. 86, 1892. House Misc. Doc., 52nd Cong-., 1st sess., vol. xliii, No. 339. Gives a summary of the literature on Maryland pre-Cambrian, pp. 410-411. “ Of the eastern crystalline area of Maryland nothing can be said as to age, except that it is pre-Cambrian,” p. 415. % Walcott, C. D. The Geologist at Blue Mountain, Maryland. Nat. Geog-. Mag., vol. v, 1892, pp. 84-88. Sci. Amer. Supp., vol. xxxvii, 1892, pp. 14,753-14,754. Notes on the Cambrian Rocks of Pennsylvania and Mary- land from the Susquehanna to the Potomac. Amer. Jour. Sci., 3rd ser., vol. xliv, 1892, pp. 469-4S2. The portion of Maryland studied lies in the Blue Ridge and Catoctin mountains from Meelianicstown (Thurmont) to Monterey, Pa., along the W. M. R. R. and southward to Harper’s Ferry, W. Va. Whitney, Milton. Soil Investigation at Clifton. Monthly Bept. Md. State Weather Service, vol. ii, 1S92, pp. 13-15. Many facts concerning the Maryland soils. Report of the Physicist. Soil Investigations. 4th Ann. Eept. Md. Agr. Exp. Sta., 1891. Annapolis, 1892, pp. 249-296. Williams, C. TI. (Editor). Guide to Baltimore, with an account of the Geology of its environs and three maps. 316 BIBLIOGRAPHY AND CARTOGRAPHY Prepared by the local committee of the Amer. Inst. Min. Eng., Baltimore, 1892. Includes data on various industries and the following papers: 1. Geology of the Crystalline Rocks, by G. H. Williams. 2. Physiography of the Region and Geology of the Sedimentary rocks, by N. H. Darton. This book is accompanied by a preliminary edition of the Baltimore sheet of the TJ. S. G. S. The Volcanic Rocks of South Mountain in Pennsylvania and Maryland. Amer. Jour. Sci., 3rd ser., vol. xliv, 1892, pp. 482-496, map, plate x, figs. 1-8. Scientific Amer. Supplement, July, 1893. (Abst.) Amer. Natl., vol. xxvii, 1893, p. 273 (W. S. B.). J. H. U. Cir. No. 103, vol. xi, 1893, pp. 45-47. First identification of volcanic rocks in the Appalachians. The paper embodies many facts collected by Dr. Williams and by Miss Florence Bascom, upon which are based the general conclusions that the rocks are not sedimentary, as previously con- sidered, but devitrified surface eruptives. The University and its Natural Environment. Johns Hopkins Univ. Cir. No. 96, vol. xi, 1892, pp. 54-56. Uses Maryland as an illustration. Williams, G. II., and Clark, Wm. B. Report on short excursions made by the Geological Department of the University during the autumn of 1891. Johns Hopkins Univ. Cir. No. 95, vol. xi, 1892, pp. 37-39. Describes various areas about Baltimore and Washington. 1S93. Anon. General Mining Mews — Maryland. Eng. and Min. Jour., Vol. lvi, 1893, p. 404. Kaolin discovered near Northeast, Maryland. Babb, Cyrus C. The Sediment of the Potomac River. Science, vol. xxi, 1S93, p. 342. Contains interesting data concerning the sediments transported. Bascom, F. The Structures, Origin and Nomenclature of the Acid Volcanic Rocks of South Mountain. Jour. Geol., vol. i, 1893, pp. 813-832. Shows that the “ quartz porphyries ” were identical with modern volcanics, but have since been modified by devitrification. Such an alteration is indicated by the prefix “ apo.” Birkinbine, John. Iron Ores. Mineral Resources U. S., 1891, Washington, 1893. Brief references to the “ brown ores ” with a few statistics, pp. 12-27. MARYLAND GEOLOGICAL SURVEY o o 17 Iron Ores. Mineral Resources U. S., 1892, Washing-ton, 1893. Statistics and remarks on production, character of ores and workings, pp. 26, 34, 37, 43. Boyle, C. B. A Catalogue and Bibliography of North American Mesozoic Invertebrata. Bull. U. S. Geol. Surv. No. 102, 1893, pp. 1-313. House Misc. Doc., 52nd Cong., 2nd sess., vol. xxiv, No. 7. Clark, ¥m. Bullock. The Available water power of Maryland. Monthly Rept. Md. State Weather Service, vol. iii, 1893, pp. 7-9. Many facts on drainage areas and streams. Physical Features [of Maryland], pop. 11-54 of Mary- land, its Besources, Industries and Institutions. Baltimore, 1893. A hroad review and discussion of the leading topographical features of the eastern United States and especially Maryland. The Leading Features of Maryland Climate. Monthly Rept. Md. State Weather Service, vol. iii, 1893, pp. 1-6. Discussion of tlie temperature, precipitation, humidity, winds and barometric pressure. The Annual expedition of students in geology, 1892. Johns Hopkins Univ. Cir. No. 103, vol. xii, 1893, pp. 53-54. Itinerary of trip and description of localities visited. The Mesozoic Echinodermata of the United States. Bull. U. S. Geol. Surv. No. 83, 1893. House Misc. Doc., 52nd Cong., 1st sess., vol. xx, No. 336. Clarke, F. W. Beport of work done in the Division of Chemistry and Physics, 1891-92. Bull. U. S. Geol. Surv. No. 113, 1S93. House Misc. Doc., 52nd Cong., 2nd sess., vol. xxiv, No. 7. Analyses of feldspars from Jones Falls, Baltimore (110); ottrelite from Liberty, Frederick county (111); piedmonite from Pine Mt., Monterey, Pa. (111). Darton, N. H. The Magothy Formation of Northeastern Mary- land. Amer. Jour. Sci., 3rd ser., vol. xlv, 1893, pp. 407-419, map. An arenaceous deposit, probably identical with the “ alternate clay sands ” of Uhler, and lying between the Albirupean series of the Potomac and the bottom of the marine Cretaceous. Cenozoic History of Eastern Virginia and Maryland. Bull. Geol. Soc. Amer., vol. v, 1S93, p. 24. (Abst.) Amer. .Tour. Sci., 3rd ser., vol. xlvi, 1S93, p. 305. 318 BIBLIOGRAPHY AND CARTOGRAPHY Day, D. T. (Editor). Mineral Paints. Mineral Resources U. S., 1892, Washington, 1893, pp. 815-820. Statistics on ocher (816), metallic paints (S18). Day, Vm. C. Stone. Mineral Resources U. S., 1891, Washington, 1893. Statistics of the granite industry for 1891, pp. 457, 459; sandstone, pp. 461, 462; lime- stone, pp. 464, 466; marble, pp. 468, 469; serpentine, p. 469; slate, pp. 472, 473. Stone. Mineral Resources U. S., 1892, Washington, 1893. Statistics of granite industry for 1892, pp. 706-7; marble, p. 709; sandstone, p. 710; slate, p. 710; limestone, p. 711. Emmons, S. F. Progress of the Precious metal Industry in the United States since 1880. Mineral Resources U. S., 1892, Washington, 1S93, pp. 46-94. The “ Appalachian States ” especially considered, pp. 86-88, and the production of gold and silver since 1880 is also given. Gannett, Henry. The Average Elevation of the United States. 13th Ann. Rept. U. S. Geol. Surv., 1891-92, part ii, Washington, 1893, pp. 283-289. Statistics on areal distribution of different altitudes within the state. Geikie, A. Text Book of Geology. 3rd edit. 8vo. 11-17 pp. London: Macmillan Co., 1893. 7 • Maryland, pp. 735, 1002. See also earlier editions. Glenn, ¥m. Chrome. In Maryland, its Resources, Industries and Institutions, pp. 120-122, Balti- more, 1893. An historical discussion of the industry in Maryland. Grant, Ulysses Sherman. Hote on a quartz-bearing gabbro in Maryland. Johns Hopkins Univ. Cir. No. 103, vol. xii, 1893, pp. 47-49. (Rev.) Amer. Nat., vol. xxvii, 1893, p. 383. Petrographic description of rocks from several Maryland localities. Harris, G. D. Republieation of Conrad’s Fossil Shells of the Ter- tiary Formations of ISTorth America. 8vo. 121 pp. 20 plates. Washington, D. C., 1S93. Contains an historical* introduction by Harris, giving the dates of publication of the various numbers of Conrad’s papers. See Conrad, 1832-1S35. The Tertiary Geology of Calvert Cliffs, Maryland. Amer. Jour. Sci., 3rd ser., vol. xlv, 1893, pp. 21-31, map. MARYLAND GEOLOGICAL SURVEY 319 Gives fifteen local sections along the coast, and then in a generalized section of these cliffs the author finds three fairly well-defined faunas: the " St. Mary’s,” the “ Jones Wharf ” and the “ Plum Point,” and enumerates the species which characterize them, p. 30. Hill, R. T. Clay Materials of the United States. Mineral Resources U. S., 1891, Washington, 1893. Rock koalin derived from the gneisses is reported from various localities in Cecil, Anne Arundel, Harford, and less prominently in Montgomery, Howard, Carroll, and Baltimore counties, p. 504. Also remarks on the different clays. Holmes, "W. H. Distribution of Stone Implements in tlie Tide- water Country. Ainer. Anth., vol. vi, 1893, pp. 1-14. Discusses the difference in the character of the material brought down by the Potomac and Patuxent rivers and shows its bearing on the paleolithic implements. Keyes, C. R. Some Maryland Granites and their Origin. (Read Dec. 1892.) Bull. Geol. Soc. Amer., vol. iv, 1893, pp. 299-304, plate x. Treats of Port Deposit, Texas, Windsor Road. Relay, Sykesville, Guilford, Garrett Park, Woodstock, Ilchester, Ellic-ott City and Dorsey's Run granites. Proof of eruptive origin, p. 302. Surface Disintegration of Granite Masses. Proe. Iowa Acad. Sci., vol. i, part iii, Des Moines, 1893, pp. 22-24. Deals with the jointing and spherical weathering of the Woodstock granites. Some American Eruptive Granites. Proe. Iowa Acad. Sci., vol. i, part iii, Des Moines, 1893, pp. 24-26. Eruptive origin based on field relations, inclusions, contact phenomena and micro- scopical examination. Epidote as a primary Component of Eruptive Rocks. Bull. Geol. Soc. Amer., vol. iv, 1893, pp. 305-312. Through their relations with titanite, muscovite, and biotite the epidote and allanite are shown to be primary. Keyser, W. Iron. Maryland, its Resources, Industries and Institutions, pp. 100-112, Balti- more, 1893. An historical discussion of the industry in Maryland. Keyser, R. Brent. Copper. Maryland, its Resources, Industry and Institutions, pp. 112-120, Balti- more, 1893. An historical discussion of the industry in Maryland. Newbury, S. B. Natural and Artificial Cements. Mineral Resources U. S., 1892, Washington, 1893. Statistics on hydraulic cement, p. 739. 320 BIBLIOGRAPHY AND CARTOGRAPHY Parker, E. W. Coal. Mineral Resources U. S., 1891, Washington, 1893. Statistics on coal production and trade, pp. 178, 180, 255-259. - — - — - — - Mineral Paints. Idem. The Ocher Production of Maryland for 1889, p. 595. Coal. Mineral Resources U. S., 1892, Washington, 1893. Statistics on production and shipments, pp. 264, 267, 26S, 417-421. Mineral Paints. Idem, pp. 815-820. Peale, A. C. Mineral Waters. Mineral Resources U. S., 1891, Washington, 1893. Enumerates a few springs, pp. 603-605. Mineral Waters. Mineral Resources U. S., 1892, Washington, 1893. Enumerates a few springs, pp. 823-824. Powell, S. L. ISTotes of Minerals recently obtained from Quarries of Jones’s Falls. Johns Hopkins Univ. Cir. No. 103, vol. xii, 1893, pp. 49-50. Describes calcite, ankerite, muscovite, orthoclase, beaumontite in gneiss; green feldspar, albite-oligoclase, garnets, helminth and epidote in pegmatite. Schumann, C. JI. The Manufacture of Bricks. Cassier’s Magazine, vol. iv, 1893, pp. 403-17. Incidental reference to products of Baltimore and Mt. Savage. Spencer, S. B. Natural and Artificial Cements. Mineral Resources U. S., 1891, Washington, 1893. Statistics and analysis of limestones from Cumberland, pp. 531-2. Stevenson, J. J. Origin of Pennsylvania Anthracite. Bull. Geol. Soc. Amer., vol. v, 1893, pp. 39-70, pi. ii. Relation of Anthracite to Maryland and Virginia coal areas, p. 43 General discus- sion of the various hypotheses as to the origin of anthracite. Swank, James M. The American Iron Trade in 1892. Mineral Resources U. S., 1892, Washington, 1893. Statistics on production and state of trade, pp. 12-22. Twenty years of Progress in the Manufacture of Iron and Steel in the United States. Mineral Resources U. S., 1891, Washington, 1893. Gives statistics on production, pp. 53. 54, 61. MARYLAND GEOLOGICAL SURVEY 321 Whitney, Milton. The Soils of Maryland. Md. Agri. Exper. Sta., Bull. Xo. 21, College Park, 1S93, 5S pp., map. General discussion of Maryland soil, its types, texture, and absorption properties. Agriculture and Live Stock [of Maryland]. Maryland, its Besources, Industries and Institutions. Baltimore, 1893, pp. 154-217. Gives many interesting facts on the soils of the state; their distribution, formation and crops, pp. 181-211. Soils of Maryland. Monthly Bept. Md. State Weather Service, vol. iii, 1893, pp. 15-22, map. Includes many mechanical analyses of soil. Map shows soil distribution. Some Physical Properties of Soils in their Relation to Moisture and Crop Distribution. U. S. Dept. Agri.. Weather Bureau, Bull. Xo. 4. Washington. 1893. Ltses many Maryland soils as illustrations. Williams, G. IT. [The Appalachian Region and the Itinerary from Washington, I). C., to Cumberland, Maryland.] Geological Guidebook of the Bocky Mt. Excursion, Compte Bendu de la 5me Ses. Congres Geolog. Internat., Washington, 1893, pp.- 268-279. House Misc. Doc., 53rd Cong., 2nd sess., vol. xiii, Xo. 107, pp. 268-279. Summary of the local geology along the route. On the use of the terms Poikilitic and Mieropoikilitic in Petrography. Jour. Geol., vol. i, 1S93, pp. 176-179. On p. 179 the author refers to the mieropoikilitic texture - in acid lavas of South Mt., Pa., and Maryland. Maps of the territory included within the state of Maryland, especially the vicinity of Baltimore. Johns Hopkins Univ. Cir. Xo. 103, vol. xii, 1893, pp. 37-44. Enumeration of maps made by early explorers, boundary commissioners, state, U. S. Coast and Geodetic Survey, private parties; also topographic and geologic maps and models prepared by U. S. G. S. and J. H. U. Mines and Minerals [of Maryland] . Maryland, its Besources, Industries and Institutions, Baltimore, 1893, pp. 89-153. Discussion, with statistics of the mineral resources of the state. Williams, G. IT., and Clark, W. B. Geology [of Maryland]. Maryland, its Besources, Industries and Institutions, Baltimore, 1893, pp. 55-89. A general summary of the geology of Maryland with many illustrations and local references. 322 BIBLIOGRAPHY AND CARTOGRAPHY Willis, Bailey - . The Mechanics of Appalachian Structure. 13tli Ann. Kept. U. S. Geol. Surv., 1891-92, part ii, Washington, 1893, pp. 211-281, plates and maps. The discussion includes illustrations from Maryland, and its conclusions are appli- cable to the western portion of the state. 1894. Adams, F. D. The Geology of the State of Maryland. Can. Rec. Sei., vol. iv, 1891, pp. 395-396. Summary. (Expedition to Southern Maryland. See Johns Hopkins IlniTersity Cir- culars.) Anon. General Mining Hews — Maryland. Eng. and Min. Jour., vol. lviii, 1894, p. 61. Note upon the discovery of amber near Still Pond. (Copied from Baltimore Sun.) Birkinbine, J. Iron Ores. Mineral Resources U. S., 1893, Washington, 1894. Statistics on production (26-28), value (38) and stock on hand (39). Browne, Wm. Hand. Maryland. Johnson's Universal Cyclopedia, vol. v, New York, 1S94, pp. 584-587, map. Paper on the topography, geology and climate of Maryland. Evidently an abstract from “ Maryland, Its Resources, Industries, and Institutions.” Clark, Wm. Bullock. The Climatology and Physical Features of Maryland. 1st Biennial Rept. Md. State Weather Service, 1894. A general discussion of the topography, geology, soils, and climate of Maryland, given pp. 21-67. Darton, FT. IT. An outline of the Cenozoic History of a Portion of the Middle Atlantic Slope. Jour. Geol., vol. ii, 1894, pp. 568-587. A general geographic study of the Tertiary, Pleistocene and post-Pleistocene history of the Maryland and Virginia Coastal Plain. Two maps and several sections. Artesian Well Prospects in Eastern Virginia, Maryland and Delaware. Trans. Amer. Inst. (Min. Eng., vol. xxiv, 1S94, pp. 372-379, plates 1 and 2. Lithological character considered and several borings described. Fredericksburg Folio. Explanatory sheets. U. S. Geol. Surv. Geol. Atlas, folio No. 13, Washington, 1894. Brief epitomized discussion of the local geology, structure and geological history of the “ quadrangle ” studied. MARYLAND GEOLOGICAL SURVEY 323 Day, TVm. C. Stone. Mineral Resources U. S., 1893, Washington, 1894. Statistics on granite industry for 1S93, pp. 544, 545; marble, p. 548; slate, p. 550; sandstone, p. 553. Emmons, S. F. Geological Distribution of the useful metals in the United States. Trans. Amer. Inst. Min. Eng., vol. xxii, 1894, pp. 53-95. Mention of the Cretaceous iron ores of Maryland and of the Maryland copper deposits. Gannett, Henry. Results of Primary Triangulation. Bull. U. S. Geol. Surv. No. 122, 1S94, pp. 64-65. House Misc. Doc., 53rd Cong., 1st sess., vol. ix, No. 78. Reference to only a few stations in Maryland: Sugarloaf, Frederick county; Mary- land Heights, Washington county; Dan and Highrock, Garrett county. Grimsley, G. P. Granite of Cecil County in Northeastern Mary- land. Jour. Cincinnati Soc. Nat. Hist., vol. xvii, 1S94, pp. 56-67, 87-114. Description of Port Deposit and RowlandsviUe granites with geological map. Harris, G. D. On the Geological Position of the Eocene Deposits of Maryland and Virginia. Amer. Jour. Sci., 3rd ser., vol. xlvii, 1894, pp. 301-304, figs. 1-3. The author regards the Pamunkey formation as the base of the “ Lignitic ” stage, which is well toward the bottom of the Eocene series of America. Keith, Arthur. Geology of the Catoctin Belt. 14th Ann. Kept, U. S. Geol. Surv., 1892-93, Washington, 1894, part ii, pp. 285-395, maps and plates. House Exec. Doc., 53rd Cong., 2nd sess., vol. xvii, p. 285. (Rev.) Sciences, n. s. vol. ii, 1895, p. 97. A full discussion of the area studied. Harper’s Ferry Folio, Explanatory Sheets. U. S. Geol. Surv. Geol. Atlas, folio No. 10, Washington, 1894. Brief epitomized discussion of the local geology, structure and geological history of the area included. Maryland State Weather Service. The Climatology and Physical Features of Maryland. First Biennial Report of the Maryland State Weather Service for the years 1892 and 1893. Baltimore, 1894. Newbury, S. B. Cement. Mineral Resources U. S., 1S93, Washington, 1894. Statistics on hydraulic cement, p. 619. 324 BIBLIOGRAPHY AND CARTOGRAPHY Newell, F. FI. Results of Stream Measurement. 14th Ann. Kept. U. S. Geol. Surv., 1S92-93, Washington, 1894, pp. 89-115. The results of a study of the Potomac Basin given on pp. 134-140. Parker, E. W. Coal. Mineral Resources U. S., 1S93, Washington, 1894. Statistics on area, production and value, pp. 188, 189, 194-200, 204, 307-311. Peale, A. C. Natural Mineral "Waters of tlie United States. 14th Ann. Rept. U. S. Geol. Surv., 1892-93, Washington, 1S94, pp. 53-88. Incidentally discusses the mineral waters of Maryland. Mineral Waters. Mineral Resources U. S., 1S93, Washington, 1894. Statistics on 5 mineral springs for year 1893, pp. 774, 778, 789. Shriyer, Howard. Catalogue of Fossils Found at Cumberland, Md. (n. d.) 4 pp. Swank, Jas. M. Progress of the Iron and Steel Industries of the United States in 1892 and 1893. Mineral Resources U. S., 1S93, Washington, 1S94. Statistics on works (p. 15) and pig iron (p. 20). Walcott, C. D. Notes on the Cambrian Rocks of Pennsylvania from the Susquehanna to the Delaware. Amer. Jour. Sci., 3rd ser., vol. xlvii, 1894, pp. 37-41. Ward, Lester F. Recent Discoveries of Cycadean Trunks in the Potomac F ormation of Maryland. Bull. Torry Bot. Club., vol. xxi, 1894, pp. 291-299. Records the new discoveries by Arthur Bibbins. Fossil Cycadean Trunks of North America, with a Revision of the Genus Cycadeoidea Buckland. Proc. Biol. Soc., Washington, vol. ix, Washington, 1894, pp. 75-88. Several references and a description of the Maryland forms. Weeks, Joseph D. The Potomac and Roaring Creek Coal fields in West Virginia. 14th Ann. Rept. U. S. Geol. Surv. 1S92-93. part ii, Washington, 1S94, pp. 567-590. Gives a brief description with columnar section of the Georges Creek field, p. 579. Whitney, Milton, and Key, Sothorox. Further Investigations on the Soil of Maryland. Md. Agri. Exper. Sta., Bull. No. 29, College Park, 1894. 21 pp. MARYLAND GEOLOGICAL SURVEY 325 Williams, George H. Sixth. Annual Excursion of the Geological Department, May 29, June 5, 1893. Johns Hopkins Univ. Cir. So. 109, vol. xiii, 1894, p. 26. Itinerary and description of localities in the Blue Ridge, near Hancock, and at Har- per’s Ferry. The Distribution of Ancient Volcanic Rocks along the Eastern Border of A orth America. Jour. Geol., vol. ii, 1894, pp. 1-31. Distribution in Pennsylvania, Maryland and Virginia, pp. 25, 26, 27. Accompanied by map .showing known and probable occurrence of ancient volcanic rocks in eastern North America. 1895. Anon. [Vertebrate fauna of the Potomac formation in Maryland.] Science, n. s. vol. i, 1895, p. 362. Mention of four species of Dinosaurs collected by Arthur Bibbins. Bibbins, A. Votes on tbe Paleontology of the Potomac Formation. Johns Hopkins Univ. Cir. No. 121, vol. xv, 1895, p. 17. An account of recent contributions to the fauna and flora of the Potomac Formation. Birkinbine, John. Production of Iron Ores in Various Parts of the World. 16th Ann. Kept. U. S. Geol. Survey, 1894-95, part iii, Washington, 1895. Page 201, Maryland Iron Ores. Clark, Wm. B. Description of the Geological Excursions made during tlie spring of 1895. Johns Hopkins Univ. Cir. No. 121, vol. xv, 1895, p. 1. Summary statement concerning local geology. Contributions to the Eocene Fauna of the Middle Atlantic Slope. Johns Hopkins Univ. Cir. No. 121, vol. xx, 1895, pp. 2-5. Gives the paleontological criteria for correlation, and appends a long list of Eocene forms, including many new forms which are described and figured more fully in Bull. U. S. Geol. Surv. No. 141, 1S96. Cretaceous Deposits of tbe Mortbern Half of tbe Atlantic Coastal Plain. Bull. Geol. Soc. Amer., vol. vi, 1S95, pp. 479-482. A discussion of the classification and description of the formations of the Cretaceous of New Jersey, Delaware and Maryland. Dana, J. D. Manual of Geology. Itb edit. Svo. Mew York, Blakeman, Taylor & Co., 1895. Maryland, pp. 740, 742, S16, 823. See also earlier editions. 326 BIBLIOGRAPHY AND CARTOGRAPHY Davis, W. M. The Catoctin Belt of Maryland and Virginia. Science, n. s. vol. ii, 1895, pp. 97-98. Short notes on area based on others' work, especially that of Keith. Criticises Keith’s use of the term “ base level.” Day, Vm, C. Stone. 16tli Ann. Kept. U. S. Geol. Surv., 1894-95, Washington, 1895, part iv. Granite, p. 459; marble, p. 4G7; sandstone, p. 487; limestone, p. 507; slate, p. 478. Gane, Henry' Stewart. A Contribution to the Heocene Corals of the United States. Johns Hopkins Univ. Cir., No. 121, vol. xv, 1895, pp. 8-10. Describes many Neocene corals. Gannett, Henry. A Dictionary of Geographic Positions. Bull. U. S. Geol. Surv. No. 123, 1895, pp. 72-74. House Misc. Doc., 54th Cong'., 1st sess., vol. — , No. 311. Enumerates stations established in Maryland, giving latitude and longitude. Kemp, James. The Ore Deposits of the United States. 8vo, 343 pp. Hew York, 1895. Maryland, pp. 91, 104, 291, 303. Iaey'es, C. R. The Origin and Relations of Central Maryland Granites (with an introduction by G. Id. Williams). 15th Ann. Kept. U. S. Geol. Surv., 1893-94, Washington, 1895, pp. 685-740, with 21 plates. The author shows that the granites are eruptive and that certain gneisses are squeezed granites and that both epidote and muscovite are primary constituents of the granites. Secular Decay of Granitic Rocks. Proc. Iowa Acad. Sci., vol. ii, Des Moines, 1895, pp. 27-31. A paper based on a study of Maryland and Missouri granite areas. Acidic Eruptives of JSTortk Eastern Pennsylvania. Amer. Geol., vol. xv, 1895, pp. 39-46. Additional observations on Epidote in the Port Deposit Crystalline and Metamor- phics and on Zonal feldspars in same. Also notes on eastward extension of Crystalline boundary. Merrill, G. P. Rotes on Asbestos and Asbestiform Minerals. Proc. U. S. Nat. Museum, vol. xviii, Washington, 1895, pp. 2S1-292. Describes the asbestos from Alberton, Parkton and Fylesville, giving analyses and showing the first to be anthophyllite. The formation of Sandstone Concretions. Proc. U. S. Nat. Mus., vol. xvii, 1895, pp. 87-89, plate. Description of concretions from Washington reservoir. MARYLAND GEOLOGICAL SURVEY 327 Middleton, Jefferson. Statistics of the Clay-Working Industries of the United States in 1894. 16th Ann. Kept. U. S. Geol. Surv. 1894-95, part iv, Washington, 1895, pp. 517-522. Mitchell, James A. The discovery of Fossil Tracks in the Mew- ark System (Jura-Trias) of Frederick county, Maryland. Johns Hopkins Univ. Circ. No. 121, vol. xv, 1895, p. 15. The forms are undoubtedly reptilian and belong to the group of the dinosaurs. Brief account of their geological occurrence near Emmitsburg. Mew all, F. FL Report of Progress of the Division of Hydro- graphy, 1893-94. Bull. U. S. Geol. Surv., No. 131, 1895. House Misc. Doc., 54th Cong., 1st sess., vol. — , No. 318. “ Potomac basin in Maryland, Virginia and West Virginia,” stations at Cumberland, Point of Rocks and Chain Bridge, pp. 87-89. Parker, E. W. Coal. 16th Ann. Rept. U. S. Geol. Surv., 1S94-95, part iv, Washington, 1895. Test of Cumberland coal, p. 54; coal in Maryland, pp. 132-137. Mineral Paints. Idem. Statistics, p. 696. Peale, A. C. Mineral Springs. Idem. Mineral springs in Maryland, p. 713. Powell, J. W. Physiographic regions of the United States. The Physiography of the United States. Geographic Monographs, vol. i, American Book Co., 1896, pp. 65-100, map. Pages 73-80 deal with the different physiographic regions present in Maryland. Eies, Heinrich. Technology of the Clay Industry. 16th Ann. Rept. U. S. Geol. Surv., 1894-95, part iv, Washington, 1895, pp. 523-575. Roberts, D. E. Mote on the Cretaceous Formations of the Eastern Shore of Maryland. Johns Hopkins Univ. Cir. No. 121, vol. xv, 1895, p. 16. Enumerates fossils found at various localities which establish the identity of the Cretaceous on the Eastern Shore. Swank, James M. Steel and Iron Industries. 16th Ann. Rept. U. S. Geol. Surv., 1894-95, part iii, Washington, 1895, pp. 219-250. Maryland statistics, p. 221. 32S BIBLIOGRAPHY AND CARTOGRAPHY Ward, Lester F. The Potomac Formation. 15th Ann. Eept. U. S. Geol. Surv., 1893-94, Washington, 1895, pp. 307-397, plates. A paper dealing with the stratigraphical relations and especially with the descrip- tion and correlation of the vegetable remains. Accompanied by numerous sections and illustrations. Weeks, Joseph D. Manganese. 16th Ann. Eept. U. S. Geol. Surv., 1894-95, part iii, Washington. 1895. Maryland Manganese Products, p. 416. Whitney, Milton. Soil Moisture, A Record of tlie Amount of Water Contained in tlie Soils during tlie Montli of July, 1895. Bull. 3 U. S. Dept. Agri. Div. of Agri. Soils, Washington, 1895, 23 pp. and diagrams. Contains diagrams of soil moisture of the early truck lands of Mardella Springs. Md. Truck Lands of tlie Atlantic Seaboard. Year-book, Dept. Agri., 1894, Washington, 1S95, 129 pp., 143 illustrations. Discussion of the truck soils of Maryland, with many chemical and mechanical analyses of sub-soils, pp. 139-14.3. Williams, G. LI. Tlie general relations of tlie Granitic Rocks in tlie Middle Atlantic Piedmont Plateau (Introduction to Keyes’ “ Origin of Central Maryland Granites ”). 15th Ann. Eept. U. S. Geol. Surv., 1893-94, Washington, 1S95, pp. 657-6S4, with plates. A study of highly metamorphosed ancient plutonic rocks and of the origin of the Maryland pegmatites, which are believed to be both segregative and intrusive. 1896. Anon. Directory to tlie Iron and Steel AVorks of the United States, compiled and published by the American Iron and Steel Association. 13th edit, corrected to Jan. 1896. Maryland blast furnaces (27 and 70), rolling mills (144), bessemer (199), crucible steel (210), plate and sheet (215), tin plate (229), bloomeries (240), shipbuilders (257), light locomotives (260), malleable iron (263), cast iron pipe (270), car wheels (282), car build- ing (290). Clark, Wm. B. The Eocene Deposits of the Aliddle Atlantic Slope in Delaware, Maryland and Virginia. Bull. U. S. Geol. Surv. No. 141, 1S96, 167 pp. 40 plates. House Misc. Doc., 54th Cong., 2nd sess., vol. — , No. 31. A general discussion of the geological features, distribution, character and corre- lation of the deposits, with a description of the contained fossils. MARYLAND GEOLOGICAL SURVEY 329 The Potomac River Section of the Middle Atlantic Coast Eocene. Amer. Jour. Sci., 4tli ser., vol. i, 1S96, pp. 365-374. The middle Atlantic coast phase of the Eocene constitutes a single geologic unit of very homogeneous character, representing the major part of the “ Lignitic,” “ Buhr- stone,” and “Claiborne” of Smith. Two well-defined faunas are described: the “ Aquia Creek ” and the “ Woodstock.” Barton, 1ST. TI. Artesian Well Prospects in the Atlantic Coastal Plain Region. Bull. U. S. Geol. Surv. Xo. 138, 1896, 228 pp., 19 plates. House ATisc. Doe., 54th Cong., 2nd sess., vol. — , Xo. 28. Considerable detailed local information. Mil. ref. 22, 124-155. Homini Folio, Explanatory sheets. U. S. Geol. Surv., Geol. Atlas, folio 23, Washington, 1896. Brief epitomized account of the geology of the “ quadrangle ” studied. Darton, dST. H., and Taff, Joseph. Piedmont Folio, Explanatory sheets. U. S. Geol. Surv., Geol. Atlas, folio 28, Washington, 1S96. Epitomized account of the geology, structure and economic resources of the “ quad- rangle” studied. Day, D. T. Minor Minerals of the United States. Eng. Alag., vol. xi, 1896, pp. 299 and 504. Dorsey, Clarence W. The Soils of the Hagerstown Valley. Aid. Agr. Exp. Sta. Bull. Xo. 44, College Park, 1896. A study of the soils resulting from the disintegration of the Cambrian sandstone, Hudson River shales and Trenton limestones. Distinguishes five types. Fontaine, Wm. M. The Potomac Formation in Virginia. Bull. U. S. Geol. Surv. Xo. 145, 1896, 149 pp., plates. House Wise. Doc., 54th Cong., 2nd sess., vol. — , Xo. 35. Gilbert, G. Ia. Age of the Potomac Formation. Science, n. s. vol. iv, 1896, pp. 875-877. Reviews Professor Marsh’s article on the Jurassic formations of the Atlantic Coast and points out certain discrepancies. TIill, R. T. A Question of Classification. Science, n. s., vol. iv, 1S96, pp. 918-922. Regards the Potomac group as Cretaceous. Keyes, C. R. Central Maryland Granites. Stone, vol. xiii, 1S96, pp. 421-428 seq. This is the paper published in the 15th Ann. Rept. U. S. Geol. Surv. in somewhat condensed form. 330 BIBLIOGRAPHY' AND CARTOGRAPHY Iylittke, M. Entwicklung, Organisation und Leitstungen der geologisclie Landesaufnahmen in den Vereinigten Staaten von Nord Amerika. Zeit. f. prak. Geol., 1896, pp. 209-213, 289-352. The history of Maryland surreys is given on pp. 312-313. Knowitos, F. H. American Amber-producing Tree. Science, n. s., vol. iii, 1896, pp. 582-584. A description of material found by Mr. Arthur Bibbins at Cape Sable. Md. Marcou, Jules. Tlie Jura in tlie United States. Science, n. s., vol. iv, 1896, pp. 945-947. Regards the Potomac formation as Jurassic and refers to Tyson's and Marsh’s work. Marsh, O. C. The Dinosaurs of North America. 16th Ann. Kept. U. S. Geol. Surv., 1894-95, part i, Washington, 1896, pp. 195-244, plates ii-lxxxv. Many of the forms described were found in Maryland, especially in the Potomac formation. The Jurassic Formation on the Atlantic Coast. Science, n. s., vol. iv, 1896, pp. 805-816. Amer. Jour. Sci., 4th ser., vol. ii, 1896, pp. 433-447. The author claims that the vertebrates indicate the Jurassic age of the Potomac formation. Maryland State Weather Service. The Climatology and Physical Features of Maryland. Second Biennial Report of the Maryland State Weather Service for the years 1894 and 1895. Baltimore, 1896. Phillips, J. A., and Fouis, Henry. A Treatise on Ore Deposits. 8vo. 943 pp. Macmillan, 1S96. References to Maryland gold (785), iron (826), chrome (828). Phillips, P. Fee. Virginia Cartography — a Bibliographical De- scription. Smithsonian Misc. Coll. No. 1039, vol. xxxviii, Washington, 1896, 8vo, 85 pp. Contains historical remarks on many of the old maps covering the area of Maryland. Schott, C. A. The Secular Variation in Direction and Intensity, of the Earth’s Magnetic Force in the United States and in some adjacent foreign countries. Kept. Supt. U. S. Coast and Geodetic Survey for 1S95, Washington, 1S96, pt. ii, appendix 1, pp. 167-320. This is the latest of a series of papers on magnetism which have appeared almost annually in the publications of the Survey. As the subject is somewhat removed from MARYLAND GEOLOGICAL SURVEY 331 the aim of the bibliography, the more important papers are only appended. They ap- peared in Report for 1854, Appendix 43. pp. 143-145; Report for 1856, Appendix 28-30, 32-33, pp. 209-249; Report for 1858. Appendix 24, pp. 191-192; Report for 1859, Appendix 24, pp. 296-305; Report for 1861, Appendix 22, pp. 242-251; Report for 1862, Appendix 19, pp. 212-229; Report for 1874, Appendix S. pp. 72-108; Report for 1885, Appendix 6, pp. 129-274; Report for 18S6, Appendix 12, pp. 291-407: Report for 1S8S, Appendix 7, pp. 177-312; Report for 1890, pp. 274-275. Van Der IToogt, Cornelius, Bureau of Immigration. State of Maryland. 1896. Brief popular summary of the natural resources of Maryland. Van Hise, C. R. Principles of 1ST ortli American Pre-Cambrian Geology. 16th Ann. Kept. U. S. Geol. Surv., 1894-95, part i, Washington, 1896, pp. 581-843, 2 maps and illustrations. Gives a few incidental references to the Maryland pre-cambrian. Walcott, C. D. The Cambrian Rocks of Pennsylvania. Bull. U. S. Geol. Surv. No. 134, 1896. House Misc. Doc., 54th Cong., 2nd sess., vol. — , No. 24. Contains incidental reference to his work with Keith in Frederick county and also to the southern continuation of Pennsylvania formations. Ward, L. F. Some Analogies in tlie Lower Cretaceous of Europe and Xorth America. 16th Ann. Eept. U. S. Geol. Surv., 1894-95, part i, Washington, 1896, pp. 463-542, plates xcvii-cvii. A general discussion of the character and limits of the Potomac, especially of the Middle Atlantic Slope in comparison with the Wealden. Fossil Plants of the Wealden. Science, n. s., vol. iii, 1896, pp. S69-S76. Refers briefly to the cycads from the Potomac of Maryland. Age of the Island Series. Science, n. s., vol. iv, 1896, pp. 757-760. Refers briefly to the Potomac group of Maryland. Whitney, Milton. Texture of Some Important Soil Formations. U. S. Dept. Agri., Div. Agri. Soils, Bull. No. 5, Washington. 1S90. Illus- trated, 23 pp., plates 35. Six types taken from various portions of Maryland. Willis, Bailey. The Xorthem Appalachians. The Physiography of the United States. Geographic Monographs I, American Book Co., 169 pp., 1S96. A study of the present topography and its origin. 332 BIBLIOGRAPHY AND CARTOGRAPHY CARTOGRAPHY. 1526. Anon. Mappe monde Peinte sur Parchemin par ordre de Henri II Hoi de France. Monuments de la Geographie Publies par M. Jomard, Paris. (Peabody.) Ayllon’s, Lucas Yasquez. See Kohl, Die Beiden altesten General-Karten von Amerika, Weimar 1S60. (Pea- body.) 1529 (?). Ribero. See Kohl, Die Belden altesten General-Karten, coast line reproduced in Mag. Amer. Hist, ii, 1S7S, pp. 257, 1. (Peabody.) De Yerrazano, Coast line reproduced in Mag. Amer. Hist, ii, pp. 257, 1, 1S7S. 1551. Angese, JBaptista. Ho. 1 Horth America, South, of the Penob- scot and the Gulf of California, and the west coast of South America to 15° South; etc. See Winsor, A Bibliography of Ptolemy's Geography. Bull. IS of Harvard Library, p. 30. Ho. 5 East coast of Horth America from Labrador South; (etc.). See preceding. 1560. Homin. See Kohl, Discovery of Maine, 297. 1569. Mercator. Map of the World. Duisbourg. Copied in Monuments de la Geographie par M. Jomard, Paris. (Peabody.) 1590 (?). Honditjs, Iodocus. America. Queer map with many figures. No mention of Maryland. (TJ. S. G. S.) MARYLAND GEOLOGICAL SURVEY 333 1593. Judacis, Corxelio. Americae pars Boreales, Florida, Baccalaos, Canada Cortircalis; a Cornelio de Judaeis in lucem edita 1593. Author’s Speculum Orbis terrareum. “ Chesepooc sinus,” “ Virginia ” and “ Apalchen ” on the map, but with no evi- dence of the use of White. (Winsor iv, p. 97.) 1596. Mercator, Michael. America sine India Nova, ad magnae Gerardi Mercatoris aui Yniversalis imitationem in compendium re- dacta, Per Mieliaelem Mercatorem, Duysburgensem. (U. S. G. S.) 1597. W ytfliet, Cornely. Norvmbega et Virginia 1597. Wyttliet’s Descriptions Ptolemaicae augmentum. fol. Lovanii, 1597. “ The map differs only in delineation from With's map, but extends farther north, taking in the coast as far as Cape Breton.” (Phillips.) 1599. Hakluyt, Richard. The Principal Navigations. Nordenskiold’s Facsimile Atlas, Stockholm, 1S89. (Peabody.) 1608. Smith, John. Chart of Virginia. Published in 1S12 (?). Quoted in 1S13 by Purclias. “ Not drawn on exact scale; it seems to have been drawn on the basis of about five miles, or say one and a half leagues to an inch.” (Phillips.) 1612. Smith, John. A Mappe of Virginia. Oxford 1812. With explanatory text. See 1621 and 1SS1. 1622. De "Witt, Fredericum. Novissima et Acenratissima Descriptio, mnltis Locis recentibus, acta et correcte divisa in Runneo Partes Hodiemas per Fredericum de Witt, Amstelodami, Cum Privilegio D. D. Ordinum. Holl. Westfrisiae. 19x22%. colored, figures. (Peabody.) De Wit, F. Novissima et Acenratissima Totius Americae Descrip- tio per F. de Wit, Amstelodami. 19x22%, colored. (U. S. G. S.) 334 BIBLIOGRAPHY AND CARTOGRAPHY 1624. Smith, -John. Virginia. A Generali Historie of Virginia, New England and tlie Summer Isles. 1630. IIondij, Henrici. Virginiae Item et Floridae Amcricae Provin- ciarum, nova Descriptio. Mercator’s Atlas, edit, x, by Henrici Hondij. 19x13%, figures. Scale, “ medius Meridianus est 300, reliqui ad hunc inclinautur pro ratione 30 & 70 parallelorem.” “ Apalatcy Montes Auriferi ” Cliesepioock Sinus.” (Peabody.) Septentrio America. Atlas sive Cosmographicae (etc.), edit, x, Girardi Mercatoris pub., by Henry Hondy. Amsterodami, An. D. 1630. 19%xl4%, symbols and curious distortion. (Peabody.) 1632. Champlain. Carte de la nonvelle france. 16x6 (Winsor fascimile), scale irregular, about 200 miles to an inch along Chesa- peake Bay. (Winsor iv, p. 387.) 1635. Bleau, J. & W. Vova Virginia tabula. Tweede Del yan’t Tvourneel des Aerdrucx, Ofte Nievwe atlas uvtgegeven Door Wilhelm; en Iohannem Bleau. Amsterdam, 1635. 14%xl8%, hand-colored, symbols. Scale about 12 miles to an inch. (Amer. Geog. Soe., Harvard.) Hermann, August. Xoua Terrae Marie tabula. A Delation of Maryland; Together with a Map of the Country. The Con- ditions of Plantations, etc. London, 1635. See 1865, 1873. For full title see bibliography. 1638. Kling, Mons. (Map of Delaware.) (Winsor.) 1639. Vingboons, Joan. Pascaert van Xieuw Xederlandt, Virginia, ende Xieuw Engelandt, verthonende alles wat van die Landen by see oft by land is ondect oft bekent. (Routier de la Xouv. Xeerlande, Virginie et Xouv. Angleterre etc.) Carte manuscrite. (Phillips.) MARYLAND GEOLOGICAL SURVEY 335 (?) Pas Caerte van Men Nederlandt en de Englische Vir- ginies van Cabo Cod tot Cabo Canvick. 20%xl6%, outline, drainage. Scale 25 miles to an inch. (Lenox.) Citie. (Phillips). Carte manuscrite du Potomac de la baie jusqu’a Beremotho 1642. Doucker, H. Pas Caert van Men Nederland, Virginia en Meu Engelant, nieulyex nytgegeven y’ Amsterdam, By Hendrich Doucker. 17%x21%. Outline, drainage. Scale imperfect. (Same map seen under title Vir- ginia, Nieu Nederlant.) (Amer. Geog. Soc.) 1650 (?). Visscher, Mcolas. Nova Tabula Geographica complectus Bor- ealiorem Americae Partem, [etc.] [Title also in Erench]. 35x21%, boundaries colored, symbols. Bay carefully drawn. Potomac heads in lake in Pa. Scale 18 miles to an inch. (Lenox.) 1651. Earrer, Virginia. A mapp of Virginia discouered to ye Hills, and in it’s Latt: From 35 deg: & ^ neer Florida, to 41 deg: bounds of New Englands. John Goddard sculp. Domina Virginia Farrer Collegit. Are sold by I. Stephenson at ye Snnn below Lndgate: 1651. (Repub. in Winsor iii, p. 465.) 1654 (?). Moll, H. A New Map of the World According to Wright’s alias Mercator’s Projection, &c. Improved by Richard Monit and Tho. Page., H. Moll facit. 37x23, outline, drainage. Scale 10 miles to an inch. (Peabody.) 1656. Sanson, N. Be Canada, ou Nouvelle France &c., (etc.), Par N. Sanson d’ Abbeville. Geographe ordinaire dn Roi. A Paris. 1656. 21%xl5%, colored boundaries. “ Virginie ” includes Maryland territory. (Lenox.) 1657. Janson, John. Belgii Nove, Angliae novae et Partis Yirginiae novissima Delineatio. Atlantis Pars quarta in qua Asia, Africa, America et Orbis anlequies. Amstelodami, apud Ioannem Ianssonium, 1657. Amsterdami, ex-officina Henrici Hondii. 20x17%, symbols. Scale 8% German miles to an inch. (Amer. Geog. Soc.) 336 BIBLIOGRAPHY AND CARTOGRAPHY America Septentrionalis. Amstelodami, excuclet loannes Ianssonius. Idem. 21%xl8 : >4, symbols. Scale about 200 miles to an Inch. (Amer. Geog. Soc.) Nova Yirginiae tabula. Idem. 19x15, copied from Smith. (Amer. Geog. Soc.) 1660. Crexius, Pere DU. Historiae Canadensis, sev Novae Franciae, libri decern, Paris, 1664, pp. xxvi, 810, 4to mail and thirteen plates. See Winsor Iv, p. 388. 1661. Yisscher, Nich. John. Novi Beige, Novae Angliae, nec non partes Yirginiae Tabula. Yan Nieh., John Yisscber. Amsterdam, 1659. (Winsor.) 1663. Colom, Jacob. (Yirginia Nieu-Nederlant). Atlas of Wekelts-water-deel En desselfs Zee-Custen. Amsterdam, 1663. 21x14%, coast outlined. Scale about 9 miles to an inch. Maryland included under Virginia. (Amer. Geog. Soc.) 1666. Alsop, George. A Land-skip of the Province of Yarv-land or the Lord Baltmors Plantation neere Yirginia, By Geo: Alsop Gent:. Outline of bay, fig'ures, symbols. 6%x5 in Gowan. Octavo edit. (Peabody.) 1669. Goos, Peter. Pascaerte Yan lYestindien de Yaste Kristen En de Eylanden. De Zee Atlas ofte Water Wereld (etc.), by Pieter Goos, 1669. Looks like With’s old map. (Amer. Geog. Soc.) 1669 (?). Sanson, Nicolas. Atlantis insula. (Winsor.) MARYLAND GEOLOGICAL SURVEY 337 1671. Blome, Richard. A Draught, of the Sea Coast and Rivers, of Virginia, Maryland, and Rew England. Taken from the latest sur- veys. London. Printed for Ric Blome. 7x9, outline, •with a few mountains. Same map without Calvert arms and dedication to Lord Baltimore in French edition, which hears a French title. (Boston Public Library.) Ogilby, John. Terrae Mariae Ron a et Virginiae Tabula (after Smith, hut different figures). America, by John Og'ilby, p. 182. 15%xM4, outline, mountain figures. Scale 6M> sea leagues to an inch. "Words italicized were in ink in Peabody copy. (Peabody.) Rovissima et Aceuratissima Totius Americae Deseriptio per Jolianem Ogiluium. In America, by John Ogilby. 17x21, figures and mountains hachured. (Peabody.) Rovi Belgii Quod nunc Rovi Jorck vocatur, Rovae Angliae & Partis Virginiae. Aceuratissima et Rovissima Delineatio. America, by John Ogilby. London, 1671, p. 168. UUxllH, outline, drainage, figures, mountain hachured. Scale about 65 miles to an inch. (y a in. Ger. mile.) (Peabody.) Virginiae, partis australis et Eloridae, partis orientalis, .... nova deseriptio. Amsterdam Montanus. America, by John Ogilby. London, 1671, p. 212. (Lenox.) 1673. Herman, August. Virginia and Maryland As it is Planted and Inhabited this present Year 1670. Outline, drainage, symbols. Scale 12 Eng. miles to an inch. This contains the names of eight counties and many rivers quaintly spelled. (Md. Hist. Soc. Photolith. ; also reprod. by Boundary Com.. 1873.) 1675. Boggeveen, Arent. “ Pascaert vande Virginies Van Baija de la Magdelena tot de Zuijdt Revier ” (Delaware river). Het eerste deel von het Brandende Veen, verlichtende geheel TYest- Indien (etc.), fol. A’Amsterdam, 1675. (Phillips.) Sellar, John. A chart of the sea coasts of Rew England, Rew Jarsey, Virginia, Maryland and Carolina, C. Cod to C. Hatteras. His Atlas maritinius. London. 1675. (Phillips.) 338 BIBLIOGRAPHY AND CARTOGRAPHY 1676. Speed, John. A map of Virginia and Maryland. The Theatre of the Empire of Great Britain, presenting an exact geog- raphy of the Kingdom of England (etc., etc.), together -with a Prospect of the most famous Parts of the World, viz. Asia, Africa, Europe, America. London: printed for Thos. Bassett, 1676. Fol. 14%xl9%, symbols. (Lenox and Amer. Geog. Soc.) 1679. Daniel, E. A new map of the English Empire in America, viz: New England, New York, New Jersey, Maryland, Virginia, with an accurate description of those Countries. London (?) 1679 (Phillips). 1687. Morden, Eobt. A New Map of Virginia, Maryland. Pensilvania. New Yarsey. The Present State of His Majesties Isles and Territories in America. London, 1687, p. 182. 4x5, black and white. Scale about 70 miles to an inch. (Boston Public Library.) 1690 (?). Anon, ’t Noorder Gedeelte van Virginie door Bartholomeus Gos- nol en Martin Pringe, ugt Engeland bevaaren. 8%xlli4> colored. Scale 110 German miles to an inch. Virginia extends to New Hampshire, no Md. (TJ. S. G. S.) 1690. Coronelli, Vincenzo. America settentrionale colle Neune Seop- erte fin all ’Anno 1688 dal P Mro Coronelli M. C. C'orso Geographico Universale, Vincenzo Coronelli M. C. Parte Seconda No. 51. In Venetia MDCXC. 34x23, symbols. Scale about 170 miles to an inch. (Amer. Geog. Soc.) Van Noort, Olivier. Dry-Jaarige Scheep-togt der Niederlanders ouder Olivier van Noort door de Straat Magellaan om dem Gantsen. Andkloot gedaan-public por pierre Vander Aa a Leide. 9x6, colored. Scale approximately 7 miles to an inch. Chesapeake reaches almost to the St. Lawrence. Little or no Eastern Shore. (U. S. G. S.) 1695 (?). Binnejian, W. A map of ye Continent of America; viz: Virginia, Maryland, Carolina, New York, (etc). IV. Binneman sculpsit. Sold by E. Morden. London. (Phillips). MARYLAND GEOLOGICAL SURVEY 339 Thornton, John, and Fisher, Will. A map of Virginia, Mary- land, Pennsylvania, and East and West New Jersey, by John Thorn- ton, at the Plott in the Minories, and by Will Eisher, at ye Postern Gate, on Tower Hill, London. Same French edition, Amsterdam. Seale one inch to 9. IS miles. (Jones, Williams, Md. Hist. Soc.) 1698 . Thomas, Gabriel. Pennsylvania and West Jersey. Historical description of the Province and Country of West Hew Jersey in America (etc.), with maps. See Winsor, 1S84. 1700 (?). Sanson, N. Carte nouvelle de l’Amerique Angloise, contenant la Virginie, Maryland, Caroline, Pensvlvanie, Nouvelle Iorc-k, N: Iar- sey, N: France, et les terres nouvellement decouverte dressee sur les relatione les plus nouvelles. Par le sieur S. Amsterdam. P. Mortier. (Phillips.) Carte particuliere de Virginie, Maryland, Pennsilvanie, la Nouvelle Jarsey Oiient et Occidentale. P. Mortier, Amsterdam. (Phillips.) “ An ancient map of the Province of Maryland on Vellum colored.” Mentioned in Maryland charts in the Public Record Office, Nation, vol. lv, 1892, p. 471. 1702 , Campanils, Johan. Virginia N. Angliae, N. Hollandiae nec non Novae Svcciae Delineatio. Campanius Nya Swerig-e. See Winsor, Nar. Crit. Hist., vol. iv, p. 485. 1705 . Harris, John. America (north and south). Navigautium atque Itinerantium Bibliotheca, or A Compleat Collection of Voyages and Travels. London MDCCV. 16)4x14, outline, drainage, mountains haehured. (Peabody.) 1708 . Moll, H. A new map of Virginia and Maryland. Oldmixon, (John). The british empire in America, 12°, London for J. Nicholson, 1708, vi, p. 209. 7x10, outlines, drainage. Scale, 22 miles to an inch. (Peabody.) 340 BIBLIOGRAPHY AND CARTOGRAPHY Map of North America according to ye Me west and most Exact observations (etc) dedicated to John Lord Sommers. Printed for I. Bowles (et als). B. Lens, delin. G. Yertue, Sculp. 37x2214, boundaries colored. Scale about 200 miles to an inch. Maryland extends to Lake Frontinac (Erie). Possibly published 1715. (U. S. G. S., Lenox.) After 1711. Anon. Carte Mouvelle de la Mer du Sud, dressee par ordre des Directeures, (etc). Donne an Public- par And; and Henry de Letli. a Amsterdam. 36%x27y 2 , colored, illustrated, imperfect scale. Pennsylvania. Maryland and Vir- ginia grouped together. (Lenox.) 1714. Ho mann, Ion. Bapt. Virginia, Marylandia et Carolina in America Septentrionali Britannorum indnstria excnltae repraesentatie a Ioh. Bapt. Homann S. C. M. Geog. Morembergae. Atlas Noves Terrarum Orbis Novibergae No. 27. 22%xl9%, states colored. Seale 8 German miles to an inch. Md. extends to Han- cock. (Anier. Geog. Soc.) 1715. Moll, Herman. A new and exact map of the dominions of the King of Great Britain on ye Continent of Morth America. Contain- ing Newfoundland, Mew Scotland, Mew England, Mew York, Mew Jersey, Pensilvania, Maryland, Virginia and Carolina According to the Mewest and most Exact observations by Herman Moll, Geographer, Dedicated to Walter Dowglass. 1715. Printed and sold by Tho. Bowles — London. 40x23%, colored boundaries, illustrated. Scale about 50 miles to an inch. Side maps. Maryland extends to Frontiguac Lake (Lake Erie). Little except along the Bay. (Lenox.) 1717. Moll, IJ. A new map of Virginia and Maryland. Atlas Geographers; or a eompleat System of Geog-rapliy, 4°, in the Savoy — E. Nutt for J. Nicholson, 1717, vol. v, p. 700. Reduced copy of Herman’s map as originally published in 170S. (Phillips.) 1719. Senix, J. A new map of Virginia (and) Maryland and Improved parts of Pennsylvana & Mew Jersey, revised by I. Senix 1719 most humbly Inscribed to the Eight Honble the Earl of Orkney Vet, 19)4x22, colored, symbols. Scale 13(4 miles to an inch. (Peabody.) MARYLAND GEOLOGICAL SURVEY 341 A new map of tlie 'english empire in America, viz: Vir- ginia, Maryland, Pennsylvania, Yew York, (etc) Revis’d by I'no Senix 1719. I. Harris sculpt. A new general atlas (anon.) fol. London, for D. Browne, 1721, facing p. 236. (Phillips.) 1720. Gosyal, Barth. ’T noorder gedeelte van Virginie door Bartliolo- mens Gosnal en Martin Fringe nyt Engeland bevaaren. Uytgevoerd te Leyden door Pieter van der Aa (1720). (Phillips.) Iaillot, H. America Septentrionale Divesee en Ses Principales Parties Presente a Monseignenr le Due de Bourgogne par H. Iaillot. 22%xlS%, symbols. Scale 200 miles to an inch. Maryland not mentioned. Virginia adjoins N. Suede. (TJ. S. G. S.) Moll, H. A Yew Map of tlie Yorth Parts of America claimed by France under y e Yarnes of Louisiana, Mississippi, Canada and Yew France with y e adjoining Territories of England and Spain. The Projection of this Map is called Mercator’s, And it is laid Down according to tbe Yewest and Most Exact Observation By IT. Moll. Geographer 1720. (Dedicated to Thomas Bromsall.) 24x4014, boundaries coloied. illustrated. Scale about So miles to an inch. Maryland goes only part way to Lake Erie. (Lenox.) Yolay, I. B. L’Amerique ou le Youveau Continent. 22x20. Scale about 200 miles to an inch. " Miralana ” is not sharply defined. (Lenox.) 1720 (?). Seale, R. TV A map of Yorth America "With the European Set- tlements & whatever else is remarkable in ye AVest Indies from the latest observations. E. TV. Seale delin. et sculpt, (n. d.). 1444x1814, symbols. Small scale. Maryland boundary on the south branch of the Potomac. (TJ. S. G. S.) 1721. Sexix, Johy. A Yew Map of the English Empire in America viz Arirginia, Maryland, Carolina, Yew York, Yew Iarsev, Yew England, Pennsylvania, Yewfoundland, Yew Prance &c. Revised by I’ on Senix 1719. Most humbly inscribed to Hewer Edgly Hewer of Clapham Esq. A new general Atlas. London, for Daniel Brown (etc.), MDCCXXl. 23x19%, outline, colored, drainage, mountains hachured. Scale 90 miles to an inch. (Peabody.) 342 BIBLIOGRAPHY AND CARTOGRAPHY 1722. Delisle, Guillaume. Cartes d’ Amerique Dressee pour l’Usage du Roy par Guillaume Delisle ... a Amsterdam cbez Jean Covens et Corneille Mortier. Also titled Amerique accurate in Imperia Regna Status & Populas Divisa, ad Usum Ludovici XV Galliarum Regis. 19%x23}4, outline colored. Scale about 375 miles to an inch. Maryland represented as extending indefinitely westward and embracing present Delaware. (U. S. G. S.) L’ Amerique Septentrionale Dressee sur les Observations de M rs . de l’Academie Royale des Sciences &c. a Amsterdam chez Pierre Mortier. avec privilege. In Atlas Novum ad Usum serenissimi Burguveliae Duiss. 22%xl7%, colored. Scale about 100 French leagues to an inch. Maryland bounded on west by Pays des Illinois. (Amer. Geog. Soc.) Carte de la Louisiane et du Cours du Mississippi Dressee sur un grand nombre de Memoires entr’autres sur ceux de M r le Maire, Par Guill. me de l’Isle. a Amsterdam cbez Jean Covens et Corneille Mortier. 23%xl7, colored, symbols. Scale 3% inches to 100 French leagues. Maryland bounded on south by Acconachena River, on west by summit of the mountains, on the north by Iroquois, and east by PensilVanie and Delaware Bay. (II- S. G. S.) Carte du Mexique et de la Floride des Terres Angloises et des Isles Antilles (etc), a Amsterdam cbez Covens et Mortier, 1722. 23xisy 2 . (Lenox.) (U. S. G. S.) De La Polerie. Carte generalle de la ISTouvelle France. Histoire de L’Amerique Septentrionale. 5x6%, outline, drainage, mountains hachured. Scale about 500 miles to an inch. (Peabody.) Sanson, FT. Atlantis Insula a Ricolao Sanson, Amstelodami. I. Covens et C. Mortier. 2iy 2 xl5!4. (U. s. G. S.) About 1725. Zuneri, A. F. Amerieae tarn Septentrionalis quam Meridionalis in Mappa Geographica Delineatio (etc). Opera A. F. Zuneri, ex officina Petri Schenkii. 22%xl9%, colored. Scale about 200 miles to an inch. “ miriland ” is not definitely bounded. (Lenox.) 1728. Anon (?). Atlas Maritemis et Commercialis, London 172S. Contains maps of the Chesapeake and Delaware. MARYLAND GEOLOGICAL SURVEY 343 1730. Delisle. America Accurate in Imperia Regna Status & Populus- Divisa ad Usum Ludovici xv Galliarium Regis, or Carte D’Amerique Dressee pour l’Usage du Roy Par Guillaume Delisle. 23%xl8%. Maryland bounded on north. (Lenox.) Possibly another edition in 1822. Moll, Id. Virginia and Maryland. 10(4x9%, outline colored. Scale about 18 miles to an inch. Baltimore town at Bush Creek. Small area for Delaware. (L T . S. G. S.) ISTew England, ISTew York, Yew Jersey and Pennsylvania. An account of ye Post of ye Continent of Y th America as they were regulated by ye Postmasters Gen. of ye Post House. Yo. 49. 1034x8, colored, symbols. Scale 50 miles to an inch. Curious winding of the Md. Del. boundary giving the southern limits of “ Della- war ” near Cape Henlopen. (U. S. G. S.) 1731. Homann, Ioh. Bapt. Virginia, Marylandia et Carolina in America Septentrionali Britainorum industria (etc), a Ioh. Bapt. Homann S. C. M. Geog. Yoremborga. “ Cum privilegio Sae Cas. Magist.” Bound up with something else. Grosser Atlas Nurmburg MDCXXXI. (Amer. Geog. Soc.) Luillier, J. l’Amerique Meridionale et Septentrionale Dressee sur les Youv les Descouv. tes (etc) published by Sr. Guill e Danet. Paris 1731. Roughly drawn. (Lenox.) Sillverling, Jonas (sculpt). Delineatio Pennsilvaniae et Caesareae Yov-Occident Sen West Y. Iersey in America. 7x10% symbols. Scale 22 miles to an inch (reprod. ?). (Lenox.) 1732. Popple, Henry. Map of the British Empire in America, with the French and Spanish Settlements adjacent thereto. Twenty sheets 19 x 27. Colored. (Winsor.) See 1733. Anon. Lord Baltimore’s Map. Printed by B. Franklin, Phila., 1732 (?). (Williams.) 1733. Haxton, Walter. A Merchants chart of the Chesapeake. “ To the merchants of London trading to Virginia and Maryland this mapp of the Chesapeake with the rivers Potomoch, Patapsco and part of Chester is dedicated.” (Md. Hist. Soc.) 344 BIBLIOGRAPHY AKD CARTOGRAPHY Popple, Henry. A Hap of the British Empire in America with the French and Spanish Settlements adjacent thereto (London 1733). (An index map to the twenty sheet map.) 19%xl9%, colored or uncolored. Scale about 200 miles to an inch. (Peabody.) A Hap of the British Empire in America with the French and Spanish settlements adjacent thereto by Henry Popple. 20 sheets 19x27. Scale not given. Same base, colored or uncolored. One edition was sold by S. Hardig, etc. (Pea- body.) 1735. IIaxton, Walter. To the ^Merchants of London Trading to Vir- ginia and Haryland This mapp of the Bay of Chesapeac-k with the Rivers Potomack, Patapsco Forth East and part of Chester, Is humbly dedicated & Presented by Walter Ilaxton 1735. 56x36, outline. (Peabody.) Senex, John. A map of Virginia, according to Capt. Iohn Smitlrs map published anno 1606 Also Of the Adjacent country called by the Hutch View Federlant, anno 1630, by Iohn Senex, 1735. (Winsor.) Haryland according to the hounds mentioned in the charter and also of the adjacent country, anno 1630, London 1735. (Probably same as preceding.) (Winsor.) 1736. Hole, II. Virginia and Haryland. Atlas minor obi. fol. London for T. Bowles and J. Bowles, 1736, Xo. 50. A reduced copy of Herman’s Map. See 170S and 1717. (Phillips.) 1737. [Byrd, Wm., et als.] A Survey of the Forthern Feck of Vir- ginia, etc. with the Courses of the Pavers Rappahannock and Potow- mack in Virginia as surveyed according to Order in the Years 1736 & 1737. Il%xl3%, outlines. Scale 14 miles to an inch. Course of Potomac, St. Mary’s to head. See Lewis, 1745. (Lenox.) The courses of the Rivers Rappahannock and Potowmack in Virginia, as surveyed according to order in the years 1736-1737. 12x14 inches. See Wm. Byrd, History of the dividing line. Gives S. shore of Mary- land. Same as preceding, but different title. (Peabody.) MARYLAND GEOLOGICAL SURVEY 345 1738. Anon. A new map of Virginia, humbly dedicated to Thomas Lord Fairfax 1738. 13xS!4. facsimile Winsor narrative and Crit. Hist., iv. p. 275. 1740. Anon. A map of Parts of the Provinces of Pennsylvania and Maryland, with the counties of Kew Castle, Kent, and Sussex in Delaware according to the most exact surveys yet made, drawn in the year 1740. London. (Chancery Proc.) Pub. sep. (Winsor.) Baxewell, Tho. America, a new and most exact Map laid down according to the observations communicated to the English Royal Society, the French Royal Academy of Sciences, (etc.) Printed and sold by Tho. Bakewell. 23%xl9%, boundaries colored. Poor drawing of Chesapeake. (U. S. G. S.) 1741. Echard, Lawrexce. Gazetteer, or Xewmans Interpreter, being a geographical Index of all the Empires, Kingdoms, Islands etc, in Africa, Asia and America. London. 1741. “ New York is made to join Maryland.” (Winsor Xar. and Crit. Hist., voi. iv, p. 235.) 1745. Lewis, Thos. A survey of the Xorthern Keck of Virginia, being the lands belonging to the Rt. Honourable Thomas Lord Fairfax, Baron Cameron, bounded by and within the Bay of Chesapoyocke, and between the Rivers Rappahannock and Potowmack. Facsimile in Winsor’s Xar. and Crit. Hist., vol. iv, p. 277, probably a corrected copy of Byrd’s 1737, as they were both of the same commission. Pt. Tobacco to Pt. Lookout is equal to 3 inches. See 1737. (Amer. Geog. Soc.) 1746. D’Axville. Amerique Septentrionale Publiee sous les auspices de Monseigneur le Due d’Orleans — Premier Prince du Sang. Par le Sr. d’Anville. MDCCXLVI, avec privilege. Theatre du Monde a Paris chez le Sr. Julien. 32%x34, hachured, drainage. Scale 100 miles to an inch. (Peabody.) 346 BIBLIOGRAPHY A5D CARTOGRAPHY 1747. Bowen, Eman. A new and accurate map of Virginia & Maryland. Laid down from surveys and regulated by astron’l Observat’ns. A complete system ot geography, fol. London, for W. Inns, 1747, vol. ii, p. 647. (Phillips.) 1750. Garvin. A map of Virginia and Maryland. London, 1750. (Phillips.) Vaugondy, Robert de. Amerique Septentrionale dressee sur les Relations les plus modernes des Voyageurs et Ravigateurs, et divisee suivant les differentes possessions des Europeens. Par le Sr. Robert de Vaugondy, fils de Mr. Robert, Geographe ordin. du Rov. avec Privilege: 1750. 23x18%, colored. Scale 240 miles to an Inch. Maryland embraces Delaware. (U. S. G. S.) (Lenox.) 1751. Fry, Joshua, and Jefferson, Peter. Map of the “ most ” (written in on Lenox copy) Inhabited Part of Virginia, containing the whole Province of Maryland, with Parts of Pensilvania, Rew Jersey and Rortli Carolina. Drawn by Joshua Fry and Peter Jefferson in 1751. Engraved by Th. Jeffrys. London 1751. 4 sheets. 30x48, boundaries colored, mountains hachured, symbol. Scale 10(4 miles to an inch. (Lenox.) French edition, 1755. 1752. Bowen, Eman. A new and accurate map of Virginia & Maryland. Laid down from Surveys and regulated by Astron’l Observat’ns. A Complete atlas, fol. London, for W. Innys, 1752, No. 59. (Same as Bowen, 1747). (Phillips.) Bu ache. Carte des Terres nouvellement connues au Rord de la Mer du Sud tant du Cote de l’Asie du Cote de 1’ Amerique. (Winsor.) Guittard, (Jean Etienne). Carte Mineralogique oil l’on voit la nature des terrains du Canada et de la Louisiane. (made by Buache). Accompanying “ Memoire dans lequel on compare la Canada a la Suisse par rapport a ses mineraux.” Histoire de l’Academie Eoyale des Science. 4°. Paris, 1752, p. 189, plate vii. (Marcou.) 1754. Cresap, Thos. (?) Original MS. map of the course of the Potomac. (Reprod.) Md. Hist. Soc. Fund Pub. No. 29, appendix D. MARYLAND GEOLOGICAL SURVEY 347 1755. d’Anville, Sr. Canada, Louisiane et Ten-es Angloises par le Sr. d’Anville Novembre MDCCLV sous le privilege de l’Academie. Theatre du Monde, Paris, chez St. Julien. 44%x34j4, outline, drainage, mountains liachured. Scale about 45 miles to an inch. (Peabody.) Canada, Louisiane et Terres Angloises Novembre MDCCLY 2 sheets In Atlas du Sr D’Anville. 25x15%, for the sheet containing Maryland, mountains hachured. Scale 50 miles to an inch. (Amer. Geog. Soc.) North America From the French of Mr. D’Anville Im- proved with the Back Settlements of Virginia and Course of Ohio illustrated with Geographical and Historical remarks. Pub. by Thos. Jefferys, London, 1755. 20xlS. Scale about 105 miles to an inch. Maryland as at present outlined. (Lenox.) Baldwin, R. A map of Virginia, north and south Carolina, Georgia, Maryland, with a part of New Jersey (etc.). London 1755. (Phillips.) Dalrymple, J. A map of Northern Virginia, Delaware, New Jer- sey, Southern Pennsylvania and Maryland. London Jan. 1, 1755. “ From information collected on the spot and entered in his journal.” 2 folio sheets, colored. (Md. Hist. Soc.) Evans, Lewis. A general map of the middle british colonies in America viz: Virginia, Mariland, Delaware, Pensilvania (etc). Evans’ geographical, historical, political, philosophical and mechanical essays. 4°. Phila.: B. Franklin & D. Hall, 1755. 2714x20%, sometimes colored, reprinted in London, 1756 and 1771. (Peabody?) Fry, Josue et Jefferson, Pierre. Carte de la Virginie et du Maryland, Dressee sur la grande carte Augloise de Mrs. Josue Fry et Pierre Jefferson. Par le Sr. Robert de Vangondy. Geographe or- dinaire du Roi. 1755. Atlas Universal (Grand Vangondy). fol. Paris, 1757. 19x25, colored, coast and bay creeks. Scale 12 miles to an inch. Baltimore on Bush river. Six counties named. (Lenox.) Huske, John. A new and accurate map of North America (wherein the errors of all preceding British, French, and Dutch maps respecting the rights of Great Britain, France and Spain and the limits of each of His Majesty’s Provinces are corrected) by Huske, London. 1755. 348 BIBLIOGRAPHY AND CARTOGRAPHY Present state of North America, 2nd edit., London, 1755. This is small in scale, hut shows Maryland bounded as at present with Virginia, Pennsylvania, North Carolina, Georgia and South Carolina, extending indefinitely west- ward. (Winsor.) Mitchell, John. A map of tlie British Colonies in Xorth Am- erica, with the roads, distances, limits and extent of the settlements. Six sheets. London 1755. (Winsor, Nar. and Grit. Hist., iv, p. 83.) Mitchill, Jno. A Map of the British and French Dominions in Xorth America with the Roads, Distances, Limits, and Extent of the Settlements, [etc.] London 1755. Six sheets, was originally drawn in 1750 and then revised. (Reprod. 1873.) (Boston Public Library.) Society of Anti-Gallicans. A new and accurate map of the English Empire in Xorth America, representing their Rightful claim, as confirmed by charters and the formal Surrender of their Indian Friends, likewise the Encroachments of the French. London 1755. See W T insor, Nar. and Crit. Hist., iv, p. 235. De Yaugondy, Robert. Partie de l’Amerique Septentrionale qui comprend le Cours de l’Ohio, la X’lle Angleterre, la X’lle York, le Xew Jersey, la Pensylvania, le Maryland, la Yirginie, la Caroline. 23!4xlS%. Scale about 35 miles to an inch. Maryland extends about to Cumberland. (Lenox.) (TJ. S. G. S.) 1756. Anon. An exact Platt of Baltimore Town in Baltimore Countv, Md. (Md. Hist. Soc.) Evans, Lewis. A general map (etc.), see 1755. 1757. Anon. Carte de la Yirginie de la have de Chesapeack et pays voisins, pour servir a l’historie generale des voyages. (Phillips.) Anon. L’Amerique Septentrionale Dressee sur les Memoires le plus recens des meilleurs Geographes & publiee par Covens hr Mortier a Amsterdam. 23%xlS, symbols. (U. S. G. S.) D’Anville. L’Amerique Septentrionale, Dressee sur les Memoires le plus recens des meilleurs Geographes & publiee par Covens & Mortier a Amsterdam MDCCLYII, atlas Homannianus. Amsterdam MDCCLYII, atlas Homannianus. 23%xl8. (Amer. Geog. Soc.) MARYLAND GEOLOGICAL SURVEY 349 Popple, Henry. A Map of the British Empire in America with the French, Spanish and the Dutch Settlements adjacent thereto by Henry Popple. Printed at Amsterdam for I. Covens and C. Mortier. (Certified to by Edm. Halleij.) 18%xl9%, drainage, mountains haehured. Illustrated. Maryland not separated from Pennsylvania. (U. S. G. S.) 1758. Anon. Carte de la Louisiane, Maryland, Virginie Caroline, Georgle, avec Partie de la Floride a Amsterdam chez Covens A Mortier 1758. (C. Lepp scult). 23%sl5%, boundary colored, mountains hachured. Scale about 33 miles to an inch. (Lenox.) Anon. Carte de la Louisiane, Maryland, Virginie, Caroline, Jarsey. Sold by William Mount A Thos. Page. Tower Hill. The English Pilot, fourth book fol. London, 1758, facing p. 23. “ Hermann’s map, with some alterations,” 20x31. ( Am er. Geog. Soc.) Anon. Karte von der hay Chesapeack und den benach barten landen. Allgemeine historie der reisen zu wasser und lande. 4°. Leipsig: Arkstie & Merkus, 1758, vol. xvi. p. 538. Same map in the French edition “ Histoire generate des voyages,” 714x11. (Phillips., EvAns, Lewis (and I. Gmson). A general map of the middle british colonies in America, viz Virginia, Maryland, Delaware (etc) Carefully copied from the original published at Philadelphia by Mr. Lewis Evans 1755 with some improvements by I. Gibson. (London 1758) (Phillips). EvAns, Lewis (and Thos. Jeffrys). A general map of the middle british colonies in America viz. Virginia, Maryland, Delaware' (etc) By Lewis Evans. Corrected and improved by Thos. Jeffreys. Lon- don. R. Sayer A T. Jeffrys 1758. A general topography of North America and the West Indies, 176S, No. 32. (Phillips.) 1759. Homann, Ioh. Bapt. Virginia, Marylandia et Carolina in Am- erica Septentrionali Britannorum industria exc-ultae repraesentatae a Ioh. Bapt. Homann S. CM. Geog. Vorumbergae. Atlas geographicus maior fol. Norumbergae curantibus Homannianis heredibus, 1759. 350 BIBLIOGRAPHY AND CARTOGRAPHY 1760. Anon. Indenture of Agreement, 4th. July, 1760, Between Lord Baltimore and Thomas and Richard Penn Esquires, settling the limits and boundaries of Maryland, Pennsylvania, and the Three Lower Counties of Mew Castle, Kent, and Sussex. Phila. 1851 (?) folio 31 pp. and maps. Printed privately for Edward D. Ingraham. Winsor Nar. and Crit. Hist, iii, p. 514. Anon. A new and accurate Map of the Province of Virginia in North America, (after Fry?) 13x11, outline, drainage, mountains hachured. Scale about 20 miles to an inch. Curious boundary of Maryland. (U. S. G. S.) Anon. A new map of the Province of Maryland in North America. Gives Maryland boundary on south branch of Potomac (same source as one of Virginia). 18x11%. D’Anville (and Thomas Jeffrys). North America, from the french of Mr. D’Anville, Improved with the back settlements of Vir- ginia and course of Ohio. Illustrated with geographical and his- torical remarks. The natural and civil history of the French dominion in North and South America, by Thos. Jefferys, fol. London, 1760, facing p. 134. (Phillips.) 1760. Bowen, E. A new and accurate Chart of the Mest Indies with the Adjacent Coasts of North and South America by Email. Bowen. 14x17%, outline, drainage, etc. 1740 on the map. (U. S. G. S.) A map of the British American Plantations, extending from Boston in New England to Georgia, including all the back settle- ments in the respective Provinces as far as the Mississipi. 11x9%. Scale 100 miles to an inch. Maryland embraces Delaware and extends to Lake Erie. (TJ. S. G. S.) 1760 (?). Kitchin, T. North America, Drawn from the Best Authorities by T. Kitchin. 8%x7%. (TJ. S. G. S.) 1762 (?). Anon. Mar del Nort. 21x16%. A curious distribution of provinces, Maryland and Pennsylvania not men- tioned. (TT. S. G. S.) 1762. Anon. Carte de la Virginia, Maryland, etc., tirees des meilleures cartes angloises (Beilin, Paris 1762) (Phillips). MARYLAND GEOLOGICAL SURVEY 351 1763. Anon. A new & Accurate Map of Horth America Including tlie British Acquisitions gained By the late War. 1763. 9x7%, outlines. Seale about 200 miles to an inch. Maryland not bounded. (Lenox.) Anon. An Accurate Map of the British Empire in ISTth- America as settled by the Preliminaries in 1762. J. Gibson Sculp. Gent. Mag., 1763 (?). 9%x8ti, political area shaded. Seale 250 miles to an inch. (TT. S. G. S.) Bowen, E. Accurate map of 1ST. America after the Treaty of Paris. (Williams.) 1767 (?). Mason and Dixon. (Williams, Md. Hist. Soc.) 1767. (Hermann, A.) Virginia, Maryland, Pennsylvania East and West Hew Jarsey. Dublin. Sold by Geo. Grierson at the Two Bibles in Essex Street. The English Pilot. The fourth book fol. Dublin: B. Grierson, 1767, after p. 24. Same map in London ed., 1758, Hermann’s map. (Phillips.) 1768. Fry, Joshua & Jefferson, Peter. A map of the most inhabited part of Virginia containing the whole province of Maryland etc. A general topography of North America and the West Indies, fol. Lon- don, for R. Sayer and T. Jeffery, 1768, Nos. 54-57. (Williams) (Winsor) (Phillips). 1770. Anon. Accompanying (Report on Canals and Roads). Trans. Amer. Phil. Soc., Phila., n. s. vol. i, 1770. Outline of river courses and surveyed distances. Scale about 7 miles to an inch. 1772. (D’Anville.) A map of the whole continent of America divided into Horth and South and West Indies with a Copious Table (etc). Compiled from Mr. D’Anvilles maps of that continent 1772. London pub. by Robt. Sayer. Apr. 1772. 41x46. mountains hachured, symbols. Maryland stops at Hancock. (Lenox.) 352 BIBLIOGRAPHY AND CARTOGRAPHY 1774. Dunn, Sam’l. Horth America as Divided amongst the European Powers By Samuel Dunn, Mathematician. London Robt. Sayer. 1774. 1714 x 12 . Shows Maryland extending west to present limits. (Lenox.) 1775. Fry, Joshua A Jefferson, Peter. A Map of the most Inhabited part of Virginia containing the whole Province of Maryland with Parts of Pensilvania, Hew Jersey and Horth Carolina. Drawn by Joshua Fry & Peter Jefferson in 1775. Dedicated to the Earl of Halifax, (et als.) The American Atlas. London, 1778, Sayer & Bennett. 50x31 haehured. Scale nearly 10 miles to an inch. Maryland practically all of Del- aware and north of Lancaster, Pa. No western boundary drawn to state, but “ Lord Fairfax his boundary line ” is given. (Amer. Geog. Soc.) Evans, Lewis (and Jeffrys, Thos.). A general Map of the Middle British Colonies in America, viz., Virginia, Maryland, Delaware, Pen- silvania, Hew Jersey, Hew York, Connecticut and Rhode Island (etc.) Published by Lewis Evans, Phila., corrected and improved with additions by Thos. Jefferys. In American Atlas, by Thos. Jefferys, No. 18, London, 1755. Sold by B. Sayer in Fleet Street, and T. Jefferys, Charing Cross. 26%s 19> colored, symbols. Scale 36 miles to an inch. Baltimore in present location, western boundary uncertain. (Peabody.) Lodge, Jno. A map of the American indian nations, adjoining Mississippi, "Vest and East Florida, Georgia, S. A H. Carolina. Vir- ginia Ac. Jno. Lodge sculp. The history of the American Indians, by James Adair. 4°. London, for Edward and Chas. Dilley, 1775. 1294x914, outline, drainage, mountains haehured. Scale about 52 miles to an inch. (Peabody.) 1776. Anon. The Theatre of AVar in Horth America with the Roads, and Tables, of the Superficial Contents, Distances, Aca. By an American. London. 1776. 1594x1914, haehured. Scale about 100 miles to an inch. (Boston Public Library.) Pownall, I. Topographical description of such parts of Horth America as are contained in the (annexed) map of the British middle colonies, (etc.), in Horth America. London, 1776. ( inches to a mile. Brick Meeting House, 9th Dist. Scale 2 inches to a mile. 384 BIBLIOGRAPHY AND CARTOGRAPHY Port Deposit, 7th Dist. Seale 2 inches to a mile. Rising Sun, 6th Dist. Scale 2 inches to a mile. Mt. Pleasant’s, 8th Dist. Scale 2 inches to a mile. Plats of towns. (Peahody.) An Illustrated Atlas of Talbot and Dorchester Counties. 4°. Lake, Griffing & Stevenson, Phila. 1877. Contents: Outline plan of Talbot county. Scale 2 miles to an inch. Easton. Scale 1% inches to a mile. St. Michaels. Scale 1% inches to a mile. Trappe. Scale 1% inches to a mile. Chapel. Scale 1% inches to a mile. Bay Hundred. Scale 1% inches to a mile. Fork. Scale 1 % inches to a mile. East New Market. Scale 1% inches to a mile. Vienna. Scale 1% inches to a mile. Parson’s creek. Scale 1% inches to a mile. Lake. Scale 1% inches to a mile. Hooper’s Island. Scale 1(4 inches to a mile. Cambridge. Scale 200 rods to an inch. Neck. Scale 200 rods to an inch. Church creek. Scale 1% inches to the mile. Strait. Scale 1 inch to the mile. Drawbridge. Scale 1 inch to the mile. Williamsburg. Scale 2 inches to the mile. Bucktown. Scale 1 inch to the mile. Besides plans of towns and map of state. (Peabody.) Atlas of Washington County. 4°. Phila. Lake, Griffing & Stevenson. 1877. (Williams.) Atlas of Carroll County. 4°. Phila. Lake, Griffing & Stevenson 1877. (Williams.) Martenet, Simon J. Outline Plan of Wicomico, Somerset and Worcester Counties, Md. 12(4x14,(4. Scale 3 miles to an inch. Wicomico, 12(4x14(4. Scale (4 inch to a mile. 1. Barren creek. Scale 1% inches to a mile. 2. Quantico. Scale 1% inches to a mile. 3. Tyaskin. Scale 1% inches to a mile. 4. Pittsburg. Scale 1% inches to a mile. 5. Parsons. Scale 1% inches to a mile. 6. Dennis. Scale 1| inches to a mile. 7. Trappe. Scale 200 rods to an inch. 8. Nutters. Scale 1% inches to a mile. 9. Salisbury. Scale 1% inches to a mile. Somerset, 23x14(4- Scale (4 inch to a mile. 1. Princess Anne. Scale 1% inches to a mile. 2. Dame’s Quarter. Scale 2 inches to a mile. 3. Brinkley’s. Scale 1% inches to. a mile. 4. Dublin. Scale 1% inches to a mile. MARYLAND GEOLOGICAL SURVEY 385 5. Hungary Neck. Scale 2 Inches to a mile. 6. Fairmount. Scale 200 rods to an inch. 7. Trappe. Scale 200 rods to an inch. S. Lawsons. Scale 2 inches to a mile. 9. Tangier. Scale 3 inches to a mile. Worcester. Scale % inch to a mile. 1. Newtown. Scale l(/> inches to a mile. 2. Snow Hill. Scale 1% inches to a mile. 3. E. Berlin. Scale 1% inches to a mile. 4. Newark. Scale 1% inches to a mile. 5. St. Martin’s. Scale 1 inch to a mile. 6. Colbourne. Scale 1% inches to a mile. 7. Atkinson. Scale 114 inches to a mile. 8. Stockton. Scale 1 y s inches to a mile. 9. West Berlin. Scale 1% inches to a mile. Plats of towns, etc. (Peabody.) IT. S. Coast and Geodetic Survey. Chesapeake Bay- — Pocomoke Sd. to Potomac River. USTo. 133. Last edition (first edition. 1S63), 25x3S (class F). Scale 1/S0000, or 0.79 inch to a mile. Chesapeake Bay. kfagothy River to Head of Bay. Ho. 136. Last edition (first edition, 1S63), 29x3S (class F). Scale 1/S0000, or 0.79 inch to a mile. Chesapeake Bay. Potomac River, Entrance to Piney Pt. Ho. 388. Last edition (first edition, 1S6S), 23x30 (class F). Seale 1/60000, or 1.06 inches to a mile. Potomac River — Piney Pt. to Lower Cedar Pt. Ho. 389. Last edition (first edition. 1S6S). 23x29 (class F). Scale 1/60000, or 1.06 inches to a mile. 1878. Hopkins, G. H. Atlas of fifteen miles around Washington includ- ing the county of Prince George. 4°. Phila. 1878. Contains outline map of Montgomery county. Scale 2(4 miles to an inch. Outline map of Prince George (Md.). Scale 2(4 miles to an inch. Fairfax and Alexandria (Va.). Scale 2(4 miles to an inch. Rockville Dist. 4th Montgomery. Scale 2 inches to a mile. Berry Dist. 5th. Scale 2 inches to a mile. Mechanicsville Dist. 8th. Scale 2 inches to a mile. Cracklin Dist. 1st. Scale 2 inches to a mile. Clarksburg Dist. 2nd. Scale 1(4 inches to a mile. Bethesda Dist. 7th. Scale 2 inches to a mile. Medley Dist. 3rd. Scale 1(4 inches to a mile. Damestown Dist. 6tli. Seale 1(4 inches to a mile. Vansville Dist. 1st Prince George. Scale 2 inches to a mile. Bladensburg Dist. 2nd. Seale 2 inches to a mile. 386 BIBLIOGRAPHY AND CARTOGRAPHY Nottingham Dist. 4th. Scale 1% inches to a mile. Piscataway Dist. 5th. Scale 2 inches to a mile. Upper Marlboro’ Dist. 3rd. Scale 1% inches to a mile. Spalding Dist. 6th. Scale 2 inches to a mile. Aquasco Dist. 8th. Scale 1% inches to a mile. Laurel Dist. 10th. Scale 2 inches to a mile. Surrats Dist. 9th. Scale 2 inches to a mile. Brandywine Dist. 11th. Scale 1% inches to a mile. Queen Anne Dist. 7th. Scale 2 inches to a mile. Oxen Hill Dist. 12th. Scale 2 inches to a mile. Kent Dist. 13th. Scale 1% inches to a mile. Fourteenth Dist. Scale 2 inches to a mile. District of Columbia, 4 sheets, 4 inches to a mile. Town plats and Virginia counties, etc. (Peabody.) Hopkins, G. M. Atlas of fifteen miles around Baltimore including Anne Arundel County. 4°. Phila. 1878. Contains outline map of Anne Arundel county and 15 miles around Baltimore. Scale 2% miles to an inch. Scale 1% inches to a mile. Scale 1% inches to a mile. Scale 1% inches to a mile. Scale 1 y 2 inches to a mile. Scale 2 inches to a mile. Scale IV 2 inches to a mile. a mile. 1st Dist. Anne Arundel county. 2nd Dist. Anne Arundel county. 3rd Dist. Anne Arundel county. 4th Dist. Anne Arundel county. 5th Dist. Anne Arundel county. 8th Dist. Anne Arundel county. 1st and 13th Dists. Baltimore county. Scale 2 inches to 2nd Dist. Baltimore county. Scale 2 inches to a mile. 3rd Dist. Baltimore county. Scale 2 inches to a mile. 4th Dist. Baltimore county. Scale 2 inches to a mile. 9th Dist. Baltimore county. Scale 2 inches to a mile. 8th and 10th Dists. Baltimore county. Scale 2 inches to a mile. 11th Dist. Baltimore county. Scale 2 inches to a mile. 12th Dist. Baltimore county. Scale 1% inches to a mile. 1st Dist. Howard county. Scale 3 inches to a mile. 2nd Dist. Howard county. Scale 2 inches to a mile. Plats of towns, etc. (Peabody.) Hopkins, G. M. Atlas of fifteen miles around Baltimore including Howard County. 4°. Phila. 1878. Contains outline map of county and fifteen miles around Baltimore. Scale 2% miles to an inch. 2nd Dist. Scale 2 inches to the mile. 1st Dist. Scale 3 inches to the mile. 3rd Dist. (Cross Dist.). Scale 1% inches to the mile. 4th Dist. (Lisbon). Scale 1% inches to the mile. 5th Dist. Clarksville. Scale 1% inches to the mile. 6th Dist. Guilford. Scale 2% inches to the mile. 2nd Dist. Baltimore county. Scale 2 inches to the mile. 3rd Dist. Baltimore county. Scale 2 inches to the mile. 9th Dist. Baltimore county. Scale 2 inches to the mile. 8th and 10th Dist. Baltimore county. Scale 2 inches to the mile. 11th Dist. Baltimore county. Scale 1 % inches to the mile. 12th Dist. Baltimore county. Scale 2 inches to the mile. 3rd Dist. (Anne Arundel). Scale 1% inches to the mile. MARYLAND GEOLOGICAL SURVEY 387 4th Dist. (Anne Arundel). Scale V /2 inches to the mile. 5th Dist. (Anne Arundel). Seale 2 inches to the mile. Map of state, etc. (Peabody.) Martenet, Simon. Map of Harford County. Scale 1 mile to 1 V 2 inches. (Belair.) Ratzel (Frieder). Geologische Karte tier Vereinigten Staaten. Die Vereinigten Staaten von Nord Amerika, vol. i, p. 2S. Miincben, 1S78. Perhaps reduced from 3rd issue of Hitchcock & Blake (?). (Marcou.) Twinning, Wm. I. (?). Plat of award with certificates signed tw Boundary Commissioners and Governors 9tli Sept. 1878. Platted on coast chart No. 33, Chesapeake Bay sheet No. 3, of U. S. Coast and Geodetic Survey. Scale 1/80000. (Peabody.) 1879. Hopkins, G. M. Atlas of fifteen miles around Washington includ- ing the County of Montgomery, Md. 4°. Pliila. 1879. Same as Hopkins “ Prince George,” but with different title. Macfarlane, J. Geological sketch of the United States. An American geological railway guide, p. 216. New York, 1879. Octavo, black etching and numbers. (J. H. U.) 1880. Anon. Topographical Map of the District of Columbia showing the Projected Harbor Improvements (etc), corrected to 1880. 20x20, contour, symbols. Scale 3000 ft. to an inch. (J. H. U. Hist.) U. S. Coast and Geodetic Survey. Patuxent River (lower part). Ho. 386. Last edition (first edition, 1859). 19x22 (class F). Scale 1/60000, or 1.06 inches to a mile. About 1S80. Frederick County, Maryland (manuscript.) 19x20. Scale 2 miles to an inch. Drainage in blue, roads in red, railroad iu bladi. (Looks like base of county map.) (Amer. Geog. Soc.) (Map of Gunpowder River). 2214x11%, hachure. Scale 72 inches to a mile. (Peabody.) Kettlewell, S. H. Plan and Profile of Proposed Diversion of Jones Falls from Belvidere Bridge to Head of Back Creek (etc). 34x16, hachured. Scale about 875 feet to an inch. (J. H. U. Hist., 388 BIBLIOGRAPHY AND CARTOGRAPHY Smith, J. C. & Rae. Smith’s Topographical Map of Virginia and Maryland. 13x24%, colored, with shading to represent hachures. Roughly drawn. Seale about 25 miles to an inch. (Amer. Geol. Soc.) Enlarged map of the Coast from Hew York Harbor to Cape Fear (2 sheets). 12%x40, outline. Scale 12% miles to an inch. (J. H. IT. Hist.) Strong. Map of Queen Anne County. (Williams.) Worcester. Map shewing the Several Surveys for the "Western Maryland Railway. Lith. Hoen. 1614x32%, haehured with profile. Scale 3 inches to a mile. (Peabody.) 1881. Andree, Richard. Vereinigten Staaten von Hord Amerika. Allgemeiner Hand Atlas in seclis- und achtzig Karten mit erlauternden text. Bielefeld u. Leipzig - , 1881. drainage, colored, hachure. Scale 1:10000000. (J. H. 1J.) Die Hordast Staaten der Union. Allgemeiner Hand Atlas [etc.]. Bielefeld u. Leipzig - , 1881. 1414x9%, drainage and principal towns, haehured, colored. Seale 1:5000000. (J. H. IT.) Colton. Colton’s new topographical map of the States of Virginia, West Virginia, Maryland and Delaware and portions of adjoining States- Hew York, C. W. & C. B. Colton & Co. 1881. 30x43, colored. (Phillips.) Hitchcock, C. IT. Geological Map of the United States. Scale 20 miles to the inch. Hew York, 1881. (Rev.) Amer. Jour. Sci., 3rd ser., vol. xxi, 1881. 13 ft. x S ft, colors. Scale 20 miles to an inch. Wall map. Reese, George M. Map of the uppermost part of the Peninsula showing the location of Indian forts . . . boundary line etc. Johnston’s History of Cecil county. 12x12. Scale 5 miles to an inch. U. S. Coast and Geodetic Survey. Patuxent River — Pt. Judith to Hottingham. Ho. 387. Last edition (first edition, 1S60). 19x22 (class El. Scale 1/30000, or 2.11 inches to a mile. 1SS2- Anon. (Maryland, Delaware.) Rand, McNally & Co.’s Indexed Atlas of the World. Chicago, 1SS2. Several editions of different dates. 19x12-34, countries colored, rough hachure, 11*4 miles to an inch. (Peabody.) MARYLAND GEOLOGICAL SURVEY 389 Hitchcock, C. H. Gray’s Geological Map of the United States. The National Atlas. Stedman & Brown, Phila., 1885, p. 205. 24%xl5%, 9 colors. Scale 1/7466470, or 11S miles to an inch. Little or no alluvium on Western Shore. Seven formations distinguished in Mary- land. (J. H. U.) Robinson, E. Map of Baltimore and Vicinity. E. Robinson (?). Hew York, 84 Hassatt St, 1882. (Williams.) IT. S. Coast and Geodetic Survey. Baltimore Harbor and Ap- proaches with sub-charts of the Basin and Sparrows Point on scale 1/10000. Ho. 384. First edition (last edition, 1895). 27x39 (class F). Scale 1/40000, or 1.5S inches to a mile. — Potomac River. Lower Cedar Point to Indian Head. Ho. 390. First edition, 1S62. 23x29 (class F). Scale 1/60000. or 1.06 inches to a mile. 1884. Chester, F. D. Map showing Distribution of Delaware Gravels — Horthern area. Amer. Jour. Sei., 3rd ser., vol. xxvii, 1S84, p. 192. 3%x4%. Scale about 9 miles to an inch. Comprises in area the larger portion of New Castle and all of Cecil county, Md. De Laet. Hova Anglia, Hovum Belgium et Virginia (1630). Winsor's Narrative and Critical History, vol. iii. Boston, 1884. p. 124. Farrer, Virginia. A mapp of Virginia discovered to ye Hills [etc]. Winsor's Narrative and Critical History, vol. iii. Boston, 1884. p. 464. See 1651. Heilprin, A. Heilprin on Tertiary Geology of Eastern and Southern Unified States. Contributions to the Tertiary Geology and Paleontology of the United States, by Ang'elo Heilprin. Phila., 1884. 11x15, colored. Scale about 120 miles to an inch. Heilprin, A. On Tertiary Geology of Eastern and Southern United States. Jour. Acad. Nat. Sci., Phila., 2nd ser., vol. ix, 1884. 10x15, outline with six colors. Scale about 120 miles to an inch. 390 BIBLIOGRAPHY AND CARTOGRAPHY Hermann, A. (Map of Maryland) (1635). Winsor’s Narrative and Critical History, vol. iii. Boston, 1884. p. 523. Reduced reproduction. Hewes, F. V, and Gannett, Henry. Map of the United States showing the Principal Topographical features. Scribner’s Statistical Atlas of the United States, by Fletcher IT. Hewes and Henry Gannett. 25%xl7%, hachured, colored. Scale 44 miles to an inch. Drainage, topography, prominent towns. (J. H. TJ.) Hotchkiss, J. Geological Map of Virginia and Vest Virginia. The Geology by Prof. V. B. Rogers chiefly from the Virginia State Survey “ with later observations in some parts.” Geology of the Virginias. Appleton, 1884. 17x10, eleven colors. Scale 1/1520, or 24 English statute miles to an inch. Smith, John. Virginia. Winsor’s Narrative and Critical History, vol. iii. Boston, 1884. p. 167. Reproduced reproduction. [Virginia.] The General Historic etc. Third Book 1624, A reprint, with variations of the Second Part of The Map of Virginia 1812. Eng. Scholars’ Library No. 16. Birmingham, 1884. 15%xl214. Scale 5 % leagues to the inch. Thomas, Gabriel. Pennsylvania and Vest Jersey. Winsor’s Narrative and Critical History, vol. iii. Boston, 1884. p. 501. Reduced reproduction. Vebster, Albert L. Baltimore and its neighborhood. An Ex- cursion Map compiled for the Johns Hopkins University, etc. Edited by Albert L. Vebster. Drawn by Louis Heil. Baltimore, Johns Hopkins University, 1884. 1885. Bromley, G. V. & V. S. Atlas of Baltimore, Md. (incomplete) 2 vols. 1885. (See 1896.) (Peabody.) Laing, John. Topographical Map of Portions of Maryland and Pennsylvania showing the crossing of the Blue Ridge Mountains by the Vestern Maryland Railroad [etc]. 1895. 22x16%, hachured. Scale 2% inches to a mile. (J. H. U.) Martenet, S. J. Map of Maryland, Atlas edition. Scale 15 miles to an inch, or 1/950400. (Martenet.) MARYLAND GEOLOGICAL SURVEY 391 Martenet’s map of Maryland and District of Columbia, 1885. 72x46. Districts tinted, ridges hachured. Scale 3% miles to an inch, or 1/221700. (Peabody.) 1886. Benton, Edward R. Map of Eastern Maryland, showing location of iron orebands sampled. 10th Census, vol. xv, Mineral Industries of the United States. Washing- ton, 1886. 6x6, outline. Scale approx. 10 miles to an inch. Pumpelly, Raphael. Geological Distribution of tbe Iron Ores of the United States. 10th Census, vol. xv, Mineral Industries. Washington, 1886. 11x18, colored. Seale 83% miles to an inch. Williams, G. H. Geological map of the Baltimore Gabbro-area, colored upon a portion of the Johns Hopkins University Excursion map. Bull. U. S. Geol. Survey No. 28. Washington, 1886. Il%xl3 5/16, five colors. Scale 1/62500. Actual outcrops and generalized distri- bution represented. (J. H. U.) 1887. Hitchcock, C. H. Geological map of the United States. Trans. Amer. Inst. Min. Eng., vol. i, pp. 465. Webster, Albert L. Baltimore and its neighborhood. An Ex- cursion Map compiled for the Johns Hopkins University, etc. Edited by Albert L. Webster. Drawn by Louis Ueil. Second edition. Johns Hopkins University. 1887. 25x25, outline. Scale 1 mile to an inch. Winsor, Justin (?). Map of Maryland (showing original charter Boundary and the present Boundary). Winsor’s Narrative and Critical History of America, vol. v. Boston, 1SS7. p. 272. 5x7%. Scale 33 miles to inch. 1888. Anon. Sketch showing Progress of Triangulation in the Appalach- ian Region to June 30, 1886. Seventh Ann. Rept. U. S. Geol. Survey, 18S8, pocket. 23%xl9, black, outline. Scale 30 miles to an Inch. (J. H. U.) 392 BIBLIOGRAPHY .VXD CARTOGRAPHY Anon. [Maryland, Delaware], Rand, McXally & Co.’s Improved Indexed Business Atlas and Shippers’ Guide No. 173. Chicago, 1888. 17th edition. 19x12%, same base as 1882, but uncolored. (Peabody.) This map has been published several times in different editions. McGee, AY J Drainage map of the Middle Atlantic Slope. Seventh Ann. Rept. U. S. Geol. Surv., 1888, facing p. 548. 6%x 9!4, outline and drainage. Scale 1/2230000, or 35 miles to an inch. Shows fall line and divide. (J. II. IT.) Map of the Head of Chesapeake Bay. Showing the Dis- tribution [and coarseness] of the Columbia Formation. Seventh Ann. Rept. U. S. Geol. Surv., 18S8, facing p. 552. 6%x7%, colored. Scale 1:320000, or 5 miles to an inch. (J. H. TJ.) Stereogram of the Middle Atlantic Slope. Seventh Ann. Rept. U. S. Geol. Surv., 18S8, after p. 580. 9%x914, colored, shaded, sections. Horizontal scale 1:2230000, or 35 miles to an inch; vertical scale 1:425000, or 35000 ft. to an inch. Shows form of the continental platform. (J. H. U.) Eippey, Jos. Index Map of Baltimore. Yew York 1888. Scale 500 feet to an inch. (Williams.) TJhler, P. R. [The Distribution of the Albirupean Formation in Maryland.] Proc. Amer. Phil. Soc., vol. xxv, 1888, p. 51. 4x4, outline, geological shading. Scale about 20 miles to an inch. 1S89. U. S. Coast and Geodetic Survey. Annapolis Harbor. Ho. 3S5. Last edition (first edition, 1S59). 30x32 (class L). Scale 1/10000, or. 6.34 inches to a mile. 1S90. Bartholomew, J. Hew York, Yew Jersey, Pennsylvania, Mary- land and Delaware with environs of Yew York and Philadelphia. The Library Reference Atlas of the "World, by John Bartholomew. Lon- don, Macmillan, 1890. Il%xl6, outline, drainage, hachured, states colored. Scale 33 miles to an inch. (Peabody.) Chester, F. D. Map of Gabbro Area in Delaware, by F. D. Chester. Bull. U. S. Geol. Survey, Oto. 59, Washington, 1S90, p. 7. Includes northeast corner of Maryland as far east as Elkton. • MARYLAND GEOLOGICAL SURVEY 393 Flaherty, AY. T. Map of Canton with Adjoining Portion of Bal- timore city. Drawn by AY. T. Flaherty. 34%x23%, outline. Scale 1000 ft. to an inch. Smith, John. Virginia. Discovered and Described by Captayn John Smith, graven by AYilliam Hole. Facsimile [reduced] in “ Genesis of the United States,” by Alexander Brown, vol. ii, p. 596. Boston, 1S90. 5%x7%. Tyndall, Bolt, or Pownall, Captain. The Genesis of the United States, by Alexander Brown, vol. i, p. 456. Boston, Houghton, Mifflin & Co., 1890. 2S%x20%. Scale 100 leagues to 5-14 inches, i Peabody.) FT. S. Coast and Geodetic Survey. Isle of [Wight to Chincoteague Inlet. Ho. 128. First edition. 1S66. 30x33 (class F). Scale 1/80000. or 0.79 inches to a mile. U. S. Geological Survey. Topographical Sheets. Baltimore. First edition (last edition, 1S96) 13%xl7%, 20 ft. contour. Scale 1/62500. Topographical Sheets, Alt. A T ernon. First edition (last edition 1S97), 13%xl7i/>, 50 feet contour. Scale 1/125000. 1891. Bradley, [F. H.] Delaware, Maryland, Virginia and AVest Vir- ginia. Bradley’s Atlas of the World. Phila., 1S91. Xo. 61. 23%xl5. Counties colored, drainage, towns and railroads. Scale 20 miles to an inch. (J. H. U.) Clark, AY. B. Distribution of the Eocene in the United States. Bull. U. S. Geol. Survey Xo. 83, 1S91, p. 147. 1214x8, outline, one color. Scale 250 miles to an inch. (J. H. U.) Dale, AY. H. Alap of the Known Distribution of the Keocene Formations in the United States. Bull. U. S. Geol. Survey Xo. 84. Washington, 1S92. p. 178. 14%xS!4, eight colors. Scale about 515 miles to an inch. (J. H. U.) Darton, H. H. Preliminary Geologic Alap of Eastern Virginia and Alaryland. Bull. Geol. Soc. Amer., vol. ii, 1891, p. 431. 4%x7%, seven patterns. Seale 25 miles to an inch. (J. H. U.) Geiger, JI. B., and Keith, Arthur. Geologic Alap of Harper’s Ferry Begion. Bull. Geol. Soc. Amer., vol. ii, 1891, pi. 4. 4yox5%, outline, geological shading. Scale 6 miles to an inch. 394 BIBLIOGRAPHY AND CARTOGRAPHY Lindenkohl, A. Middle Atlantic Coast Region. Amer. Jour. Sci., 3rd ser., vol. xli, 1891, p. 492. 7%xS, contours at 150,300 and 400 ft. Scale 1/2000000, also 20, 100, 500, 1000, and 1500 fathoms lines. McGee, W J Physiography of the Coastal Plain of Southeastern United States hy W J McGee. Twelfth Ann. Kept. U. S. Geol. Survey, vol. i. Washington, 1891. Pocket. 21x16%, land and marine contours. Scale 1/5000000. On this same basis are also: — Areal Distribution of the Columbia and Lafayette For- mations of Southeastern United States. 2 colors. Physiography of the Coastal Plain of Southeastern United States during the Lafayette Period. Physiography of the Coastal Plain of Southeastern United States during the Post-Lafayette and Pre-Columbia Period. Physiography of the Coastal Plain of Southeastern United States during the Columbia Period. U. S. Geological Survey. Topographical Sheets. Relay. First edition (last edition, 1896). 13%xl7y 2 , 20 ft. contour. Scale 1/62500. Topographical Sheets. West Washington. 13%xl7%, 20 ft. contour. Scale 1/62500, or one mile to an inch. Walcott, C. D. Distribution by Geological Provinces of the Cam- brian Strata as shown by Surface Outcrops in Porth America by C. D. Walcott. Bull. U. S. Geol. Survey No. 81. Washington, 1891, p. 358. 12x8, outline, one color. Scale about 315 miles to an inch. (J. IT. UJ White, C. A. Map showing the Distributions of Cretaceous For- mations of Porth America. Bull. U. S. Geol. Surv. No. 82. Washington, 1891, p. 268. 8x10, two colors. Scale about 515 miles to an inch. (J. H. U.) White, I. C. Map Showing the general distribution of the Upper and Middle Carboniferous Formations in the Bituminous Coal Regions of Pennsylvania, West Virginia, and Ohio by I. C. White 1SS8. Bull. U. S. Geol. Survey No. 65. Washington, 1891, p. 1. 22%x23, outline, six colors. Scale 16 miles to an inch, or 1/15S4000. (J. H. U.) Williams, G. H. Piedmont Plateau in Maryland. Bull. Geol. Soc. Amer., vol. ii, 1891, p. 301. 4%x7%, outline with four patterns. Scale about 14 miles to an inch. (J. H. U.) MARYLAND GEOLOGICAL SURVEY 395 1892. Anton. Uebersicht von Xord Amerika nach den geologiseben Yer- messungen von Canada, der Vereinigten Staaten nnd anderen Quellen. Berghau’s Pliysikalischer Atlas, 3rd edit. Gotha, 1S92. 16x13, six colors, scale 1:30000000. (J. II. IT., Peabody.) Darton, X. H. Baltimore sheet (IT. S. G. S. preliminary edition). Guide to Baltimore. See 'Williains. Maryland State Weather Service. Map of Maryland and Dela- ware showing the Precipitation and lines of mean temperature for — . Monthly Report, 1892-3, vol. ii and vol. iii. Maps given for May-December. Russell, I. C. Xew York, Virginia and other Xewark areas. Bull. U. S. Geol. Survey No. 85. Washington, 1892. p. 21. 7%x9(4, four colors. Scale 35 miles to an inch. (.T. H. U.) II. S. Coast and Geodetic Survey. Delaware and Chesapeake Bays. Xo. 376. Last edition (first edition, 1855), 26x34 (class F). Scale 1/400000, or 0.16 inch to a mile. U. S. Geological Survey. Topographical Sheets. Annapolis. First edition (last edition, 1896), 13%xl7%, 20 feet contour. Seale 1/62500. Topographical Sheets. Baltimore [Special]. 13%xl7%, 20 feet contour. Scale 1/62500. Topographical Sheets. Drum Point. First edition (last edition. 1S96), 13%xl7%, 20 feet contour. Scale 1/62500. Topographical Sheets. Ellicott. First edition (last edition, 1896), 13%xl7t4. 20 feet contour. Scale 1/62300. Topographical Sheets. Leonardtown. First edition (last edition, 1S95) 13%xl7%, 20 feet contour. Scale 1/62500. Topographical Sheets. Montross. First edition (last edition. 1S95), 13%xl7 1 />. 20 feet contour. Seale 1/62500. Topographical Sheets. Piney Point. First edition (last edition, 1895), 13%xl7 1 />, 20 feet contour. Scale 1/62500. Topographical Sheets. Point Lookout. First edition (last edition, 1S94). 13%xl7%, 20 feet contour. Scale 1/62500. Topographical Sheets. Prince Frederick. First edition (last edition, 1S95), 13%xl7%. 20 feet contour. Scale 1/62300. 396 BIBLIOGRAPHY AND CARTOGRAPHY Topographical Sheets. Wicomico. First edition (last edition, 1895), 13%xl7%, 20 feet contour. Scale 1/62500. Van Hise, C. R. Geological Map of the Northeastern States, show- ing pre-Cambrian and Crystalline rocks. After McGee and Hitch- cock. Bull. U. S. Geol. Survey No. 86. Washington, 1892. p. 349. 5%xo!4, three colors. Scale 1/7600000. (J. H. TJ.) Williams, Geo. H. (Editor). Geological Map of Baltimore and Vicinity. Published by the Johns Hopkins University on the topographic base of the U. S. Geological Survey. 23)4x24, contour 20 feet, 18 colors. Scale 1/62500. i.J. H. TJ.) Same, without geological formations. (editor). Baltimore Sheet (U. S. G. S. preliminary edi- tion). Guide to Baltimore, 1892. 17 colors and patterns. Scale 1/62500. Crystalline rocks by G. H. Williams, Sedi- mentary rocks by N. H. Darton. Baltimore. Guide to Baltimore, Amer. Inst. Min. Eng., 1892. Lith. by Hoen. 16x13%, plan of streets, certain places in red. Scale 2% inches to a mile. 1893. Darton, 1ST. H. Magothy and Associated Formations in North- eastern Maryland. Amer. Jour. Sci., 3rd ser., vol. xlv, 1893, p. 409. 3x4%. Scale 16 miles to an inch. Harris, G. D. Map & Stratigraphy of Calvert Cliffs, Md. Amer. Jour. Sci., 3rd ser., vol. xlv, 1893, p. 23. 5%x6%. Scale about 5 miles to an inch. McGee, W J Reconnoissance Map of the Distribution of the Geologic System so far as known. 14th Ann. Bept. U. S. Geol. Survey, part i. Washington, 1894. Pocket. 13 sheets, 2S 3 4xl7%. contoured, colored. Scale about 110 miles to an inch. Maryland State Weather Service. Map of Maryland and Del- aware showing the Precipitation and lines of mean temperature for 1893. Monthly Beport, 1S93-4, vol. iii and vol. iv. Maps given for each month in the year. MARYLAND GEOLOGICAL SURVEY 397 Maryland State Weather Service. Climatic Charts of Mary- land, including Delaware and the District of Columbia, together with a Map showing the distribution of the Geological and Soil Formations. Torbet, J. B. Map of Maryland, showing the present status of the new U. S. Topographical Survey. 1S92. Johns Hopkins University Circulars No. 103, vol. xii, p. 44. 7%x4%, outline. Scale 33% miles to an inch. (J. H. U.) U. S. Geological Survey. Topographical Sheets. Gunpowder. First edition (last edition, 1S96), 13%xl7%, 20 feet contour. Scale 1/62500. Topographical Sheets. JSTorth Point. First edition (last edition, 1S96), 13%xl7%. 20 feet contour. Scale 1/62500. Topographical Sheets. Sharps Island. First edition (last edition, 1S96), 13%xl7yo, 20 feet contour. Scale 1/62500. ■ Topographical Sheets. Mt. Vernon. (Last edition, 1896), 13%xl7%, 20 feet contour. Scale 1/12500. Williams, G. II. (Editor). A Preliminary Geological map of Maryland [etc]. Maryland, Its Resources, Industries, and Institutions. 30%xl7%, drainage, 29 colors. Scale 1/5000000 or S miles to an inch. Whitney, Milton. Map showing the Area and Distribution of the Principal Soil Formations in Maryland. Bull. No. 21, Md. Agri. Exper. Sta., College Park, 1S93. Monthly Kept. Md. State Weather Service, vol. iii, 1S93, p. 17. 5x9. Seale 30 miles to an inch. Willis, Bailey. Map of the Structural Districts of the Appalach- ian Province. 13th Ann. Kept. U. S. Geol. Survey. Washington, 1893. Drainage, five colors. Scale approximately 74 miles to an inch. (J. H. U.) 1894. Anon. Supplement to the Baltimore American, June 26th, 1894. 1114x25, outline, drainage. Scale 15 miles to an inch. (J. H. U.) Darton, V. H. Map of the Middle Atlantic region to illustrate the extent of the Pleistocene submergence. Jour. Geol., vol. ii, 1894, p. 583. 4%x5%, shaded. Scale about 50 miles to an inch. Map of the Middle Atlantic Slojie indicating the conditions in the time of Post Columbia maximum uplift [etc]. Idem, p. 585. Black and white. Scale about 50 miles to an inch. 398 BIBLIOGRAPHY AND CARTOGRAPHY Fredericksburg Folio. Geologic Atlas of the United States, folio No. 13. Washington, 1894. 13%xl7%, contours 50 ft., seven colors. Seale 1/125000. (.1. H. TJ.) Douglas, H. T. (Eng.). City of Baltimore Topographical Survey (in 42 sheets). 27%x27%, contour interval 5 ft. Scale 26.4 inches to a mile. Grimsley, G. P. Geological map of the Korthwestern Portion of Cecil County, Maryland. Cincinnati Soc. Nat. Hist., vol. xvii, 1894. 5x6%, six patterns. Scale 2 miles to an inch. (J. H. U.) Keith, A. Harpers Ferry Folio. Geologic Atlas of the United States, folio No. 10. Washington, 1S94. 13%xl7%, contour 100 ft., 15 colors. Scale 1/125000. Geologic map of the Catoetin Belt by Arthur Keith 1893. 14th Ann. Kept. U. S. Geological Survey. Washington, 1894. Part ii. p. 309. 10x13, contour 200 ft., 16 colors. Scale 1/375000. (J. H. U.) Map of the Tertiary Base-level by Arthur Keith. 14th Ann. Kept. U. S. Geol. Survey, part ii. Washington, 1894. p. 377. 10x13, contour 100 ft., colored. Scale 1/375000. (J. H. U.) Maryland State Weather Service. Map of Maryland and Dela- ware showing the Precipitation and lines of mean temperature for 1894. Monthly Report, 1894-5, vol. iv and vol. v. Maps given for each month in the year. Weeks, T. D. Upper Potomac and Elk Garden Coal Basins. 14th Ann. Rept. U. S. Geol. Survey, part ii. Washington, 1S94. p. 580. 12%x6%, contoured, with some geological lines. Scale 3% miles to an inch. Williams, G. H. Map showing the known and probable occur- rences of Ancient Volcanic Bocks in Eastern Morth America, by George Huntington Williams 1893. Jour. Geol., vol. ii, p. 1, 1S94. 6x7%, outline, colored geologically in two colors. Scale about 200 miles to an inch. (J. H. U.) 1S95. Anon. Map of the Cumberland, Georges Creek Coal Kegion. 1895. 17%x25. Property and railroad lines, also line of outcrop of “ Big Vein.” Hachured. Scale 1 mile to an inch. (J. H. U.) MARYLAND GEOLOGICAL SURVEY' 399 Ivey'es, C. R. Map of Central Maryland showing the Distribution of the Granites by (‘j G. H. ’Williams ”) C. R. Keyes. 15th. Ann. Kept. U. S. Geol. Survey. Washington, 1895. 6x7%, outline, drainage, areas colored. Seale 11 miles to an inch. Maryland State Weather Service. Map of Maryland and Dela- ware showing the Precipitation and lines of mean temperature for 1895. Monthly Report, 1895-6, vol. v and vol. vi. Maps given for each month in the year. U. S. Coast and Geodetic Survey. Chesapeake Bay. Choptank River to Magothy River. No. 135. Last edition (first edition, 1863), 29x88 (class F). Seale 1/80000, or 0.79 inch to a mile. Baltimore Harbor & Approaches with sub-charts of the Basin & Sparrows Point on scale 1/10000. No. 384. Last edition (first edition. 1SS2), 27x39 (class F). Scale 1/40000, or 1,58 inches to a mile. IT. S. Geological Survey. Topographical Sheets. Brandywine. 13%xr7(4 20 ft. contours. Scale 1/625000. Topographical Sheets. Last edition, 13%xl7%, 20 ft. contours. Montross. Scale 1/62500. Topographical Sheets. Last edition, 13%xl7%, 20 ft. contours. Topographical Sheets. Last edition, 13%xl7%, 20 ft. contours. Nomini. Scale 1/125000. Owensville, Scale 1/62500. Topographical Sheets. Last edition, 13%xl7%, 20 ft. contours. Piney Point. Scale 1/62500. Topographical Sheets. Last edition, 13%xl7%. 20 ft. contours. Prince Frederick. Scale 1/62500. Topographical Sheets. Washington. 29x19, contour interval 20 ft. Scale 1/62500. (J. H. UY 1896. Bromley', George W. & Walter S. Atlas of the City of Balti- more, Maryland. 1 vol. fob Phila. 1896. 33 sheets, 20(4x3014. Scale 200 ft. to the inch. (Peabody.) Clark, IV. B. Map showing Distribution of Eocene strata in Middle Atlantic Slope. Bull. U. S. Geol. Survey No. 141, 1896, facing p. 13. 4%x7 1 />, outline, drainage and geological shading. Scale 40 miles to an inch. (J. H. U.) 400 BIBLIOGRAPHY AND CARTOGRAPHY Darton, X. H. Map of Portions of Maryland, Virginia and Dis- trict of Columbia showing distribution of the Potomac Formation in part overlain by Columbia and Lafayette formations from data fur- nished by V. H. Darton 1896. Bull. U. S. Geol. Surv. No. 145, 1896, facing' p. 14. 7%xl9, four colors, geological outline, drainage. Scale 1/500000 or 8 miles to an Inch. (J. H. TJ.) Nomini Folio. Geologic Atlas of the United States, folio No. 23. Washington, 1896. 13%xl7%, contour 20 ft., four colors. Scale 1/125000. The Coastal Plain region of Maryland and Delaware, show- ing relations of underground waters, by N. H. Darton. Bull. U. S. Geol. Survey No. 138, 1896, pi. v. 8x9, colored, symbols. Scale 15 miles to an inch. Map of Baltimore region, illustrating features of under- ground waters, by 1ST. H. Darton. Bull. U. S. Geol. Survey No. 13S, 1S96, pi. vii. 8x10, colored, symbols. Scale 1 mile to an inch. Darton, N. FI. & Taff, Jos. Piedmont Folio. Geologic Atlas of the United States, folio No. 2S. Washington, 1896. 13%xl714, contour 100 ft., colors. Scale 1/125000. Maryland State Weather Service. Map of Maryland and Delaware showing the Precipitation and lines of mean temperature for 1896. Monthly Beport, 1896-7, vol. vi and vol. vii. Maps given for each month, Jan. -April. F r . S. Coast and Geodetic Survey. Potomac River. From Indian Head to Georgetown. No. 391. (First edition, 1S62) 23x39 (class F). Scale 1/400G0 or 1.5S inches to a mile. IT. S. Geological Survey. Topographical Sheets. Annapolis. 13%xl7%, 20 ft. contour. Scale 1/G2500. Baltimore. Drum Point. Ellicott. Frederick. Topographical Sheets. 13%xl7%, 20 ft. contour. Scale 1/62500. Topographical Sheets. 13%xl714, 20 ft. contour. Seale 1/62500. Topographical Sheets. 13%xl7%, 20 ft. contour. Scale 1/62500. Topographical Sheets. 13%xl7!4, 20 ft. contour. Scale 1/62500. MARYLAND GEOLOGICAL SURVEY’ 401 Topographical Sheets. Gunpowder. 13%xl7%, 20 ft. contour. Seale 1/62500. Topographical Sheets. Harpers Ferry. 13%xl7%, 100 ft. contour. Scale 1/62500. Topographical Sheets. Laurel. 13%xl7%, 20 ft. contour. Scale 1/62500. Topographical Sheets. Mt. Vernon. 13%xl7%, 20 ft. contour. Scale 1/62500. Topographical Sheets. Forth Point. 137 s xl7y 2 , 20 ft. contours. Scale 1/62500. -• Topographical Sheets. Relay. 13%xl7%, 20 ft. contour. Scale 1/62500. Topographical Sheets. Sharps Island. 13%xl7y 2 , 20 ft. contour. Scale 1/62500. Vah Der Hoogt, C. V". (Sec). Hap of Maryland, Delaware and District of Columbia prepared by the State Bureau of Immigration. 21x1314, counties colored. Scale about 12 miles to an inch. (J. H. U.) ADDEHDA. Baird, G. IV. Experiment to Determine the Economic Vaporiza- tion of George’s Creek Cumberland Coal, Under Conditions of Actual Practice on board the Dolphin in port. Jour. Amer. Soc. Naval Eng., vol. vii, 1895, pp. 329-331. The most careful determinations yet made are here recorded. IIayden, II. H. Geological Sketch of Baltimore. (Baltimore Medical and Philosophical Journal, vol. I.) Bruce’s Amer. Min. Jour., vol. i, New York, 1814, pp. 243-248. This is practically a reprint of the earlier publication written as an abstract by the author. Mitchill, Saml. L. A Sketch of the Scenery in the region around Harper’s ferry, where the ridge of Blue Mountains is penetrated by the joint waters of the Potomac and Shenandoah rivers. In a letter . ... to the Editor; dated Harper’s ferry, July 4th, 1812. Bruce’s Amer. Min. Jour., vol. i, New York, 1814, pp. 211-218. The author discusses the geology and stratigraphy along the Potomac between Harper’s Ferry and Washington and regards the slates as older than the limestones.