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Field electroconductivity (Ec) in Trout Creek <br />on morning of 4/24/03 Downstream from all mining 12 miles <br />(TCC = Twentymile Coal Company) downstream from TCCsite 10051 <br />Ec: <br />760 umhoslcm <br />Material damage suspect level <br />for irrigation water: <br />1000 umhoslcm <br />TCC Site 69 (above <br />n Fish Creek <br />~_ contluencel <br />I Ec: <br />860 umhoslcm <br />Material damage <br />MI <br />suspect level for <br />' irrigation water: <br />1000 umhoslcm <br />~y@ \~~ <br />~ ~~~~v ~~ <br />TCC Site 307 (below <br />Edna Mino. above <br />}~~ Foidel Creek Mine) <br />Ec: <br />?~ 960 umhos/cm <br />Above all mining IRCR 29! <br />Ec: 180 umhoslcm <br />