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Bowie Resources, LLC Surface Water <br />Bowie No. 2 Mine <br />2012 Annual Hydrology Report S8 -5 <br />Terror Creek - Spring 8 -5 <br />Elevation - 7800 <br />Initiated <br />Activated <br />Date <br />7/19/1983 <br />7/19/1983 <br />7/19/1983 <br />7/19/1983 <br />7/15/2012 <br />1 <br />7/15/2012 <br />0.00 <br />0.00 <br />10/10/2012 <br />8/7/2012 <br />6/28/2012 <br />4/9/2012 <br />Summary Information <br />Field <br />Parameters <br />Baseline Operation <br />UNITS Min Ave Max Min Ave Max <br />Flow <br />GPM <br />0 <br />0.77 <br />8.62 <br />0.00 <br />0.00 <br />0.00 <br />0 <br />0 <br />0 <br />0 <br />Temperature <br />Celsius <br />7.5 <br />13.80 <br />24.4 <br />Conductivity <br />umhos /cm <br />660 <br />746.00 <br />920 <br />pH <br />su <br />7.3 <br />8.01 <br />8.8 <br />Field Comments <br />No Flow <br />No Flow <br />No Flow <br />Damp <br />Lab <br />Parameters <br />UNITS <br />Bicarbonate <br />mg /L <br />334 <br />397.13 <br />475 <br />Carbonate <br />mg /L <br />Chloride <br />mg /L <br />6 <br />8.50 <br />11 <br />Conductivity <br />umhos /cm <br />606 <br />686.00 <br />774 <br />Hardness <br />mg /L <br />247 <br />315.13 <br />380 <br />pH <br />su <br />7.01 <br />7.89 <br />8.2 <br />ResidueFilterable -TDS <br />mg /L <br />355 <br />404.38 <br />460 <br />ResidueNonFilterable -TSS <br />mg /L <br />1 <br />4 <br />146.00 <br />502 <br />SAR <br />0.89 <br />0.99 <br />1.24 <br />Sulfate <br />mg /L <br />30 <br />40.13 <br />56 <br />Calcium (Dissolved) <br />mg /L <br />64.1 <br />75.60 <br />96.7 <br />Magnesium (Total) <br />mg /L <br />21.11 <br />30.71 <br />36.0 <br />Sodium (Dissolved) <br />mg /L <br />31.91 <br />40.14 <br />48 <br />Potassium <br />mg /L <br />1.101 <br />1.10 <br />1.10 <br />TDS Ratio (gray. /calc.) <br />1.111 <br />1.11 <br />1.11 <br />The monitoring point for Spring 8.5 is located on an east facing slope that drains down toward Terror Creek. <br />Baseline Information is derived from monitoring events beginning on 7/19/83 through 7/15/2012. <br />Point S8 -5 influenced by mining 7/15/12. <br />Figure No. 69 <br />