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Bowie Resources, LLC <br />Bowie No. 2 Mine <br />2012 Annual Hydrology Report <br />Surface Water <br />SP12 -4 <br />Steven's Gulch - Pond Spring 12 -4 <br />Elevation - 8040 <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 />0.00 <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 />Outflow <br />GPM <br />0.00 <br />0.00 <br />0.00 <br />0.00 <br />0.00 <br />0.00 <br />0.00 <br />Inflow <br />GPM <br />0.00 <br />0.00 <br />0.00 <br />0.00 <br />0.00 <br />0.00 <br />0.00 <br />Freeboard <br />Feet <br />0.78 <br />1.62 <br />3.18 <br />3.18 <br />2.61 <br />2.48 <br />1.3 <br />Temperature <br />Celsius <br />4.2 <br />17.9 <br />23.4 <br />Conductivity <br />umhos /cm <br />165 <br />300 <br />410 <br />pH <br />su <br />7.11 <br />8.21 <br />9.7 <br />Field Comments <br />Lab <br />Parameters <br />UNITS <br />Bicarbonate <br />mg /L <br />112.2 <br />174.1 <br />250.1 <br />Carbonate <br />mg /L <br />2 <br />2 <br />2 <br />Chloride <br />mg /L <br /><MDL <br />8 <br />14 <br />Conductivity <br />umhos /cm <br />201 <br />280 <br />401 <br />Hardness <br />mg /L <br />66 <br />103 <br />158 <br />pH <br />su <br />6.9 <br />7.6 <br />8.6 <br />ResidueFilterable -TDS <br />mg /L <br />138 <br />211 <br />286 <br />ResidueNonFilterable -TSS <br />mg /L <br /><MDL <br />62 <br />142 <br />SAR <br />0.56 <br />0.92 <br />1.44 <br />Sulfate <br />mg /L <br /><MDL <br />13 <br />56 <br />Calcium (Dissolved) <br />mg /L <br />18 <br />281 <br />45 <br />Magnesium (Total) <br />mg /L <br />3 <br />8 <br />12 <br />Sodium (Dissolved) <br />mg /L <br />11 <br />22 <br />39 <br />Potassium <br />mg /L <br />TDS Ratio (gray. /calc.) <br />The area of concern for monitoring point SP 12 -4 has not been affected by the mining operation. Therefore, all recorded <br />monitoring events are considered Baseline. <br />Baseline Information Collection initiated on 7/29/85 and not yet considered complete. <br />Point SP12 -4 has not been influenced by mining. <br />Figure No. 5 <br />