01750oam 2200493 450 991070972090332120180712094515.0(CKB)5470000002473040(OCoLC)896811359(OCoLC)995470000002473040(EXLCZ)99547000000247304020141123d1993 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierHydrology of the Great Plains aquifer system in Nebraska, Colorado, Kansas, and adjacent areas /by John O. Helgesen, Robert B. Leonard, and Ronald J. WolfWashington :U.S. Department of the Interior, U.S. Geological Survey,1993.1 online resource (viii, E80 pages) illustrations +10 platesU.S. Geological Survey professional paper ;1414-ERegional aquifer-system analysis--Central MidwestIncludes bibliographical references (pages E77-E80).GroundwaterHigh Plains (U.S.)GroundwaterfastHigh Plains AquiferUnited StatesHigh PlainsfastUnited StatesHigh Plains AquiferfastGroundwaterGroundwater.Helgesen John O.1392149Leonard Robert B.Wolf R. J(Ronald J.),Geological Survey (U.S.),COPCOPOCLCOOCLCFOCLCAGPOBOOK9910709720903321Hydrology of the Great Plains aquifer system in Nebraska, Colorado, Kansas, and adjacent areas3455812UNINA