01862oem 2200493 450 991071351230332120200624092429.0(CKB)5470000002502545(OCoLC)1156664368(EXLCZ)99547000000250254520200604d1983 ua enga|||||||||||||||||||||dur|||||||||||crirdacontentcrdamediacrrdacarrierPreliminary map showing the difference between the potentiometric surfaces of the Aquia aquifer of April 1979 and September 1982 in southern Maryland /by Frederick K. Mack, Judith C. Wheeler, and Stephen E. Curtin ; prepared in cooperation with Maryland Geological Survey and Maryland Energy Administration[Towson, Md.] :United States Department of the Interior, Geological Survey,[1983?]1 online resource (1 map)Open file report ;83-930Relief shown by contours and spot heights.GroundwaterChesapeake Bay Region (Md. and Va.)MapsAquifersChesapeake Bay Region (Md. and Va.)MapsGroundwaterfastMaps.fastMaps.lcgftGroundwaterAquifersGroundwater.Mack Frederick K.Wheeler Judith C.Curtin Stephen E.Maryland Geological Survey.Maryland.Energy Administration.GPOGPOGPOBOOK9910713512303321Preliminary map showing the difference between the potentiometric surfaces of the Aquia aquifer of April 1979 and September 1982 in southern Maryland3338707UNINA