Report on County Resources, Volume 6 |
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acre Amer Anacostia Aquia Arundel Atlantic Coastal Plain average Baltimore beds Chesapeake Bay Choptank CLARK coarse Collington color CONRAD contains crops crystalline rocks Darton depth described diatomaceous earth District of Columbia Eocene Eocene deposits erosion escarpment estuaries exposed feet forest forms Fort Washington fossils glauconite gneiss gravel greensand iron Jersey Jour Lafayette land Laurel Leonardtown lignite loam localities Magothy formation marls Maryland MARYLAND GEOLOGICAL SURVEY Matawan materials miles Miocene Nanjemoy occur outcrop overlying P.ct Paleontologic Patapsco Patuxent River Piedmont Plateau pine Piscataway Creek places plant Pleistocene portion Potomac deposits Potomac Formation Potomac group Potomac River Potomac strata Prince George's County Raritan region Report sand sandy loam slopes soil type species Stratigraphic streams Subsoil Sunderland surface Surv Susquehanna clay terrace Tertiary texture thickness tion tobacco unconformably Upper Cretaceous Upper Marlboro valleys vicinity Virginia Washington weather Wicomico
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Page 213 - the Maryland Geological Survey, the United States Coast and Geodetic Survey, and the Carnegie Institution of Washington at various points within the county are given in the following table: For a general description of the methods and instruments used, reference must be made to the "First Eeport upon Magnetic Work in Maryland" (Md. Geol. Survey, vol. i, pt. v,
Page 16 - Diagram showing discharge of the Patuxent River at Laurel, 18961898 212 PREFACE This volume is the sixth of a series of reports dealing with the physical features of the several counties of Maryland. The Introduction contains a brief statement regarding the location and boundaries of
Page 59 - and Clark, WB Geology of Maryland. Maryland, its Resources, Industries and Institutions, Baltimore, 1893, pp. 55-89. The different geological formations recognized at that time are briefly described. Several important Eocene and Cretaceous fossiliferous localities in this county are mentioned. 1894.
Page 55 - on the Cretaceous and Eocene Formations of Maryland. Trans. Md. Acad. Sci., vol. i, 1889, pp. 45-72. This paper contains many descriptions of Cretaceous and Eocene strata in this county together with a general description of these formations as represented in the entire State. A list is given of all Eocene fossils recognized up to that time. Ward, Lester
Page 17 - them. The Geology of Prince George's County, by Benjamin L. Miller, deals with the stratigraphy and structure of the county. An historical sketch is given of the work done by others in this field to which is appended a complete bibliography. Many stratigraphical details are presented, accompanied by local sections. The Mineral Resources of Prince George's
Page 125 - shows that it has been long and complicated. This is indicated by the many different kinds of strata represented and by the relations which they bear to one another. There are deposits that were formed in fresh or brackish water; others that show evidence of their deposition in marine waters, some in
Page 59 - Miltox. The Soils of Maryland. Md. Agri. Exper. Sta. Bull. No. 21, College Park, 1893, 58 pp., map. The principal soils of the State are described and their adaptability to different kinds of crops discussed. A map is given showing their general distribution. Williams,
Page 80 - streams were also developed and the Wicomico plain was more or less dissected along the water courses, the divides being at the same time gradually narrowed. This erosion period was interrupted by the Talbot submergence,which carried part of the land beneath the sea and again drowned the lower courses of the streams. The Talbot
Page 115 - that in some places the waves of the advancing sea in Sunderland, Wicomico, and Talbot time did not entirely remove the beds of each preceding period of deposition over the area covered by the sea in its next transgression. Especially would materials laid down in depressions
Page 80 - beneath the sea and again drowned the lower courses of the streams. The Talbot Stage.—The Talbot deposition did not take place over so extensive an area as was covered by that of the Wicomico. It was confined to the old valleys and to the low stream divides, where the advancing waves