01801oem 2200541 450 991071375160332120200731123352.0(CKB)5470000002504168(OCoLC)966435382(EXLCZ)99547000000250416820161219d1990 ua enga|||||||||||||||||||||durbn|||||||||crirdacontentcrdamediacrrdacarrierThe difference between the potentiometric surfaces of the Aquia aquifer of September 1986 and September 1988 in southern Maryland /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 ;90-4039"Prepared in cooperation with Maryland Geological Survey and Maryland Tidewater Administration."AquifersMarylandMapsGroundwaterMarylandMapsAquifersfastGroundwaterfastMarylandfastMaps.fastMaps.lcgftAquifersGroundwaterAquifers.Groundwater.Mack Frederick K.Maryland.Tidewater Administration.Maryland Geological Survey.COPCOPOCLCOOCLCFOCLCAGPOBOOK9910713751603321The difference between the potentiometric surfaces of the Aquia aquifer of September 1986 and September 1988 in southern Maryland3497316UNINA