02626oam 2200661 450 991071596320332120210407095934.0(CKB)5470000002516462(OCoLC)971497649(OCoLC)1105382232(OCoLC)995470000002516462(EXLCZ)99547000000251646220170206d1992 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierReconnaissance investigation of water quality, bottom sediment, and biota associated with irrigation drainage in the Gunnison and Uncompahgre River basins and at Sweitzer Lake, west-central Colorado, 1988-89 /by David L. Butler [and four others]Denver, Colorado :U.S. Geological Survey,1991.1 online resource (vii, 99 pages) illustrations, mapsWater-resources investigations report ;91-4103"Prepared in cooperation with the U.S. Fish and Wildlife Service and the U.S. Bureau of Reclamation."Includes bibliographical references, pages 71-76.IrrigationEnvironmental aspectsColoradoRiver sedimentsColoradoWater qualityColoradoFreshwater organismsColoradoLakesColoradoDeltaIrrigationEnvironmental aspectsfastIrrigation waterPollutionfastSeleniumEnvironmental aspectsfastUncompahgre River Watershed (Colo.)Gunnison River Watershed (Colo.)ColoradofastIrrigationEnvironmental aspectsRiver sedimentsWater qualityFreshwater organismsLakesIrrigationEnvironmental aspects.Irrigation waterPollution.SeleniumEnvironmental aspects.Butler David L(David Louis),1946-1380675Geological Survey (U.S.),U.S. Fish and Wildlife Service.United States.Bureau of Reclamation.COPCOPOCLCOOCLCFOCLCAOIPOCLCEGPOBOOK9910715963203321Reconnaissance investigation of water quality, bottom sediment, and biota associated with irrigation drainage in the Gunnison and Uncompahgre River basins and at Sweitzer Lake, west-central Colorado, 1988-893437287UNINA