01871oam 2200445 a 450 991069481760332120060327154512.0(CKB)5470000002365537(OCoLC)53820599(EXLCZ)99547000000236553720031203d1997 ua 0engurmn|---|||||txtrdacontentcrdamediacrrdacarrierInterim results of quality-control sampling of surface water for the Upper Colorado River National Water-Quality Assessment Study Unit, water years 1995-96[electronic resource] /by Norman E. Spahr and Robert W. BoulgerDenver, Colo. :U.S. Dept. of the Interior, U.S. Geological Survey,1997.iv, 34 pages digital, PDF fileWater-resources investigations report ;97-4227Title from title screen (viewed Nov. 5, 2003).Distributed to depository libraries in paper, shipping list no.: 98-0352-P.Includes bibliographical references.Interim results of quality control sampling of surface water for the Upper Colorado River National Water-Quality Assessment Study Unit, water years 1995-96Water qualityColoradoWater qualityColorado River Watershed (Colo.-Mexico)Water qualityWater qualitySpahr Norman E1384575Boulger Robert W1384576Geological Survey (U.S.)GPOGPOOCLCQAGLGPOBOOK9910694817603321Interim results of quality-control sampling of surface water for the Upper Colorado River National Water-Quality Assessment Study Unit, water years 1995-963431061UNINA