01712oem 2200541 450 991071378760332120200722142332.0(CKB)5470000002503804(OCoLC)966435320(EXLCZ)99547000000250380420161219d1987 ua enga|||||||||||||||||||||durbn|||||||||crirdacontentcrdamediacrrdacarrierGeneralized potentiometric surface of the aquifers in the Cockfield Formation, southeastern Arkansas, spring 1980 /by D.J. AckermanLittle Rock, Arkansas :Department of the Interior, U.S. Geological Survey,1987.1 online resource (1 map)Water-resources investigations report ;87-4212Relief shown by contours and spot heights.Includes index map, text, and hydrographs.Includes bibliographical references.AquifersArkansasMapsGroundwaterArkansasMapsAquifersfastGroundwaterfastArkansasfastMaps.fastMaps.lcgftAquifersGroundwaterAquifers.Groundwater.Ackerman D. J.COPCOPOCLCOOCLCFOCLCAGPOBOOK9910713787603321Generalized potentiometric surface of the aquifers in the Cockfield Formation, southeastern Arkansas, spring 19803335982UNINA