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<br /> <br />on~981 <br /> <br />ANALYSIS OF STREAM QUALITY IN THE <br />YAMPA RIVER BASIN, COLORADO AND WYOMING <br />By Dennis A. Wentz and Timothy Doak Steele <br /> <br />U.S. GEOLOGICAL SURVEY <br /> <br />Water-Resources Investigations 80-8 <br /> <br /> <br />Lakewood, Colorado <br /> <br />April 1980 <br />