00689nam 2200157z- 450 9910712645203321(CKB)5470000002495711(EXLCZ)99547000000249571120230509c1996uuuu -u- -engSummary of biological and contaminant investigations related to stream water quality and environmental setting in the Upper Colorado River Basin, 1938-95Denver, ColoradoU.S. Geological SurveyBOOK9910712645203321Summary of biological and contaminant investigations related to stream water quality and environmental setting in the Upper Colorado River Basin, 1938-953345919UNINA