01952oam 2200457I 450 991070441150332120130408152428.0(CKB)5470000002441584(OCoLC)836829825(EXLCZ)99547000000244158420130408d2012 ua 0engurcn|||||||||txtrdacontentcrdamediacrrdacarrierEstablishment of sentinel sampling sites to monitor changes in water and sediment quality and biota related to visitor use at Lake Powell, Arizona and Utah, 2004-2006 /by Robert J. Hart, Howard E. Taylor, and G.M. Anderson ; prepared in cooperation with the National Park Service, Glen Canyon National Recreation AreaReston, Virginia :U.S. Department of the Interior, U.S. Geological Survey,2012.1 online resource color illustrationsOpen-file report ;2012-1237Title from title screen (viewed on Apr. 5, 2013).Includes bibliographical references.Water qualityPowell, Lake (Utah and Ariz.)Lake sedimentsPowell, Lake (Utah and Ariz.)WaterPollutionSamplingPowell, Lake (Utah and Ariz.)Glen Canyon National Recreation Area (Utah and Ariz.)Water qualityLake sedimentsWaterPollutionSamplingHart Robert J.285964Taylor Howard E.Anderson G. M.Geological Survey (U.S.),United States.National Park Service,GPOGPOGPOBOOK9910704411503321Establishment of sentinel sampling sites to monitor changes in water and sediment quality and biota related to visitor use at Lake Powell, Arizona and Utah, 2004-20063509046UNINA