01451nam 2200373Ia 450 991069891320332120090723124330.0(CKB)5470000002398748(OCoLC)427548101(EXLCZ)99547000000239874820090723d2009 ua 0engurmn||||a||||txtrdacontentcrdamediacrrdacarrierWater quality in the High Plains Aquifer, Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming, 1999-2004[electronic resource] /by Jason J. Gurdak ... [and others]Reston, Va. :U.S. Geological Survey,2009.viii, 63 pages : $b digital, PDF fileCircular ;1337Title from title screen (viewed July 23, 2009)."National Water-Quality Assessment Program."Includes bibliographical references (pages 47-49).Water qualityHigh Plains AquiferWater qualityGurdak Jason J1185351National Water-Quality Assessment Program (U.S.)Geological Survey (U.S.)GPOGPOBOOK9910698913203321Water quality in the High Plains Aquifer, Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming, 1999-20043548140UNINA