01577nem 2200433 450 991071349820332120200415091200.0(CKB)5470000002500667(OCoLC)1150883712(EXLCZ)99547000000250066720200415d1982 ua enga|||||||||||||||||||||dur|||||||||||crirdacontentcrdamediacrrdacarrierMap showing the potentiometric surface of the Magothy aquifer in southern Maryland, September, 1981 /by Frederick K. Mack, Judith C. Wheeler, and Stephen E. Curtin ; prepared in cooperation with Maryland Geological Survey and Maryland Energy AdministrationTowson, Maryland :United States Department of the Interior, Geological Survey,1982.1 online resource (1 map)Open-file report ;82-257Relief shown by contours and spot heights.GroundwaterMagothy AquiferMapsMagothy AquiferMapsMaps.lcgftGroundwaterMack Frederick K.Wheeler Judith C.Curtin Stephen E.Maryland Geological Survey.Maryland.Energy Administration.GPOGPOBOOK9910713498203321Map showing the potentiometric surface of the Magothy aquifer in southern Maryland, September, 19813316965UNINA