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Month <br />January <br />February <br />March <br />April <br />Table 7-62 <br />Comparison of Mean Monthly Upstream (Site 26) and <br />Downstream (Site 27) Water Quality on Fish CreeR <br />From July 1979 through March 1986, <br />Routt County, Colorado <br />(Summarized From: Twenty Mile Coal Company Permit <br />Application and Annual Reports, MLRD Library) <br />Mean TDS(mg/1) <br />% Change (±) in TDS From <br />Year Site 26 Site 27 Site 26 to Site 27 <br />1979 <br />1980 <br />1981 <br />1982 <br />1983 <br />1984 <br />1985 <br />1986 <br />1979 <br />1980 <br />1981 <br />1982 <br />1983 <br />1984 <br />1985 <br />1986 <br />1979 <br />1980 <br />1981 <br />1982 <br />1983 <br />1984 <br />1985 <br />1986 <br />1979 <br />1980 <br />1981 <br />1982 <br />1983 <br />1984 <br />1985 <br />1986 <br />404 444 +10 <br />308 320 +4 <br />372 484 +30 <br />665 660 -1 <br />752 822 +9 <br />500 516 +3 <br />304 304 0 <br /> 825 <br />922 1062 +15 <br />963 580 -4'0 <br />632 691 +9 <br /> 721 <br />740 892 +21 <br /> 1057 <br />766 1172 +53 <br />468 531 +13 <br />408 479 +17 <br />542 642 +18 <br />722 895 +24 <br />677 <br />720 583 -19 <br /> <br />• <br />u <br />Revised 10/01/86 <br />7-219 <br />