01774oem 2200553 450 991071374490332120200803135306.0(CKB)5470000002504235(OCoLC)966435171(EXLCZ)99547000000250423520161219d1990 ua enga|||||||||||||||||||||durbn|||||||||crirdacontentcrdamediacrrdacarrierPotentiometric surface of the Aquia aquifer in southern Maryland during September 1988 /Frederick K. Mack [and three others]Towson, Maryland :Department of the Interior, U.S. Geological Survey,1990.1 online resource (1 map)Water-resources investigations report ;90-4037Relief 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.COPCOPOCLCOOCLCFOCLCAGPOBOOK9910713744903321Potentiometric surface of the Aquia aquifer in southern Maryland during September 19883264750UNINA