Maryland Geological Survey: Prince George's County

acre Amer Anacostia Aquia Arundel Atlantic Coastal Plain average Baltimore beds Chesapeake Bay Choptank CLARK coarse Collington color CONRAD contains crops crystalline rocks 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 Pleistocene portion Potomac deposits Potomac Formation Potomac group Potomac River Potomac strata Prince George's County produced 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 yellow