01784oem 2200553 450 991071376150332120200729161827.0(CKB)5470000002504068(OCoLC)966435464(EXLCZ)99547000000250406820161219d1989 ua enga|||||||||||||||||||||durbn|||||||||crirdacontentcrdamediacrrdacarrierPotentiometric surface of the Aquia aquifer in southern Maryland during the fall of 1987 /Frederick K. Mack [and three others]Towson, Maryland :Department of the Interior, U.S. Geological Survey,1989.1 online resource (1 map)Water-resources investigations report ;89-4012Relief shown by contours and spot heights."Prepared in cooperation with Maryland Geological Survey and Maryland Power Plant Research Program."AquifersMarylandMapsGroundwaterMarylandMapsAquifersfastGroundwaterfastMarylandfastMaps.fastMaps.lcgftAquifersGroundwaterAquifers.Groundwater.Mack Frederick K.Maryland Geological Survey.Maryland Power Plant Research Program.COPCOPOCLCOOCLCFOCLCAGPOBOOK9910713761503321Potentiometric surface of the Aquia aquifer in southern Maryland during the fall of 19873282195UNINA