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. Figure 6 <br />Mean, Max, Min and Standard Deviation of pH Units Measured for Watersheds Near <br />Colowyo Mine 1975-1981 <br />MA~1tN1UM <br />iTANDARD DEVIATION <br />MEAN <br />. wr~uuu <br />1 <br /> <br />• <br />• <br />I , <br />~J <br />2.04.7-74 <br />tAr'LOII CK. 7r1liOM C%. KR.iON CK. <br />At YONTN HEAR AICIAt. AiOVE <br />TAILOR CK. <br />