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Bowie Resources, LLC <br />Bowie No. 2 Mine <br />2012 Annual Hydrology Report <br />Surface Water <br />S1 -3 <br />W. Fork of Terror Creek - Spring 1 -3 <br />Elevation - 7860 <br />Initiated <br />Activated <br />Date <br />7/29/1985 <br />7/29/1985 <br />7/29/1985 <br />7/29/1985 <br />1 <br />35.90 <br />10/30/2012 <br />8/8/2012 <br />6/25/2012 <br />4/10/2012 <br />Summary Information <br />Field <br />Parameters <br />Baseline Operation <br />UNITS Min Ave Max Min Ave Max <br />Flow <br />GPM <br />0.00 <br />5.20 <br />35.90 <br />0.00 <br />0.00 <br />0.00 <br />0.00 <br />Temperature <br />Celsius <br />8.0 <br />10.2 <br />13.3 <br />Conductivity <br />umhos /cm <br />146 <br />252 <br />307 <br />pH <br />su <br />7.2 <br />7.6 <br />8.0 <br />Field Comments <br />Lab <br />Parameters <br />UNITS <br />Bicarbonate <br />mg /L <br />98 <br />144 <br />165 <br />Carbonate <br />mg /L <br />Chloride <br />mg /L <br /><MDL <br />2 <br />3 <br />Conductivity <br />umhos /cm <br />186 <br />241 <br />285 <br />Hardness <br />mg /L <br />71 <br />93 <br />103 <br />pH <br />su <br />6.61 <br />7.2 <br />7.8 <br />ResidueFilterable -TDS <br />mg /L <br />122 <br />148 <br />174 <br />ResidueNonFilterable -TSS <br />mg /L <br /><MDL <br />31 <br />120 <br />SAR <br />0.42 <br />0.88 <br />1.24 <br />Sulfate <br />mg /L <br />2 <br />11 <br />39 <br />Calcium (Dissolved) <br />mg /L <br />20 <br />28 <br />33 <br />Magnesium (Total) <br />mg /L <br />41 <br />5 <br />6 <br />Sodium (Dissolved) <br />mg /L <br />1 81 <br />20 <br />29 <br />TDS Ratio (gray. /calc.) <br />The area of concern for monitoring point S 1 -3 has not been affected by the mining operation. Therefore, all recorded <br />monitoring events are considered Baseline. <br />*"Not Located -Damp Area Only <br />Baseline Information Collection initiated on 7/29/85 and not yet considered complete. <br />Point S1 -3 has not been influenced by mining. <br />Figure No. 46 <br />