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3000 <br />2500 <br />y <br />H 2000 <br />O <br />w <br />Q1 <br />•c 1500 <br />c <br />V <br />r+ <br />C <br />m <br />~ looo <br />0 <br />U <br />500 <br />0 <br />Figure ~ -Flow and TDS (with 6-sample moving averages) <br />at LHG surface water monitoring site <br />and pre-mining site S-3 (located 0.6 mile downstream from LHG) <br />Site S-3 <br />Pre- <br />mining <br />Flo1w <br />i <br />41 <br />~.. <br />2.a <br />2 <br />1.6 <br />w <br />v <br />1.2 •C <br />3 <br />0 <br />LL <br />o.s <br />0.4 <br />0 <br />1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 <br />Site LHG <br />Active mining Post-mining <br />TDS ~ <br />r" <br />~; L <br />(% <br />TDS mov. 9 <br />;, <br />avg. . ; - ~ ;Flow <br />:~ <br />Flow mov. ~'~ <br />avg. ~ <br />'~i <br />~a <br />i <br />