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W ~ ~I~V`V1,L ~~ V~ WI <br />ENVIRONMENTAL SETTING AND IMPLICATIONS ON <br />WATER QUALITY, UPPER COLORADO RIVER BASIN, <br />COLORADO AND UTAH <br />A Q <br />D <br /> <br />U.S. GEOLOGICAL SURVEY <br />Water-Resources Investigations Report 95-4263 <br />Q~N.ENT Op ryF <br />mP ~2~ <br />O - 9 <br />y O <br />7 L Ai <br />.qR~ <br />NATIONAL WATER-QUALITY ASSESSMENT PROGRAM <br />