01860oem 2200577 450 991071373180332120200807133312.0(CKB)5470000002504368(OCoLC)966435365(EXLCZ)99547000000250436820161219d1991 ua enga|||||||||||||||||||||durbn|||||||||crirdacontentcrdamediacrrdacarrierPotentiometric surface of the Magothy aquifer in southern Maryland, September 1989 /by Frederick K. Mack [and three others]Towson, Maryland :Department of the Interior, U.S. Geological Survey,1991.1 online resource (1 map)Water-resources investigations report ;91-4093Relief shown by contours and spot heights."Prepared in cooperation with Maryland Geological Survey and Maryland Tidewater Administration."GroundwaterMarylandMapsAquifersMarylandMapsAquifersfastGroundwaterfastMagothy AquiferMapsMarylandfastUnited StatesMagothy AquiferfastMaps.fastMaps.lcgftGroundwaterAquifersAquifers.Groundwater.Mack Frederick K.Maryland Geological Survey.Maryland.Tidewater Administration.COPCOPOCLCOOCLCFOCLCAGPOBOOK9910713731803321Potentiometric surface of the Magothy aquifer in southern Maryland, September 19893279518UNINA