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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 />a MINIMUM <br />1' <br /> <br />• <br />ti <br /> <br />2.04.7-74 <br />tAr'LO11 CK. 7r1liOM C%. KR.iON CK. <br />At YONTN HEAR A1CtAt. AiOVE <br />TAILOR CK. <br />