01905oes 2200577 450 991069893460332120180813131026.0(CKB)5470000002398531(OCoLC)1045635806(EXLCZ)99547000000239853120180724b19922010 ua enga|||||||||||||||||||||dcrirdacontentcrdamediacrrdacarrierPotentiometric surface of the upper Patapsco Aquifer in southern Maryland, September ... /prepared in cooperation with Maryland Geological Survey and Maryland Tidewater Administration[Towson, Md.] :Department of the Interior, U.S. Geological Survey1 online resource (maps)Open-file reportRelief shown by contours and spot heights."Base from USGS digital line graph, 1:250,000."Coordinates for map based on: 1990.Issued in color, 2007-2009.GroundwaterMaryland, SouthernMapsAquifersMaryland, SouthernMapsAquifersfastGroundwaterfastPatapsco AquiferMapsMaryland, SouthernfastUnited StatesPatapsco AquiferfastMaps.fastMaps.lcgftOnline resources.GroundwaterAquifersAquifers.Groundwater.Maryland.Tidewater Administration.Maryland Geological Survey.GPOGPOGPOMERUCGPOJOURNAL9910698934603321Potentiometric surface of the upper Patapsco Aquifer in southern Maryland, September3113237UNINA