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Table 4 <br />Table of Comparison of Surface Water Impacts <br />North Thompson <br />Creek Mines Coal Haein Mine <br />(Snowmass Coal (Mid-Continent <br />Sunlia t Mine Comnanv) Resources. Inc.Z <br />Mine Water 239AC-ft/yr(0.33cfs) 217Ac-ft/yr(0.3cfa) 282Ac-ft/yr(.39cfs) <br />Discharge (O Consumption) (maximum-worse case) (O Consumption) <br />(80,000 GPD Consump- <br />tion) <br />Mine Water 28.3 M.TOna/yr <br />Dissolved <br />So11ds <br />Content <br />Percent +2.34 to Fourmile <br />Salt. Load Creek <br />Increase <br />193 M.TOns/yr <br />+3.7i to Thompson <br />Creek <br />1,972 M.TOne/yr <br />+32.58 to Coal <br />Creek <br />Shift in <br />Ion <br />Balance <br />From Ca-Bicarb to <br />Ca-Sulfate <br />From Ca-Bicarb to <br />Ca-Sulfate <br />Ca, Mq, Na - <br />Bicatb <br />No Shift <br />Worse-Case 4.4i of Fourmile lees than 1B of <br />Stream Creek Thompson Creek <br />Depletion <br />(mean) <br />2.14 of Coal <br />Creek <br />