01765oem 2200553 450 991071373200332120200807114137.0(CKB)5470000002504366(OCoLC)966435343(EXLCZ)99547000000250436620161219d1991 ua enga|||||||||||||||||||||durbn|||||||||crirdacontentcrdamediacrrdacarrierPotentiometric surface of the Aquia 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 ;91-4094Relief shown by contours and spot heights."Prepared in cooperation with Maryland Geological Survey and Maryland Tidewater Administration."GroundwaterMarylandMapsAquifersMarylandMapsAquifersfastGroundwaterfastMarylandfastMaps.fastMaps.lcgftGroundwaterAquifersAquifers.Groundwater.Mack Frederick K.Maryland Geological Survey.Maryland.Tidewater Administration.COPCOPOCLCOOCLCFOCLCAGPOBOOK9910713732003321Potentiometric surface of the Aquia aquifer in southern Maryland, September 19893279520UNINA