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Bowie Resources, LLC <br />Bowie No. 1 Mine <br />2014 Annual Hydrology Report <br />P1501 <br />East Roatcap Creek - Pond 15 -1 <br />Depth - 4' <br />Elevation -8055 <br />Summary Information <br />Surface Water <br />Initiated <br />10/1/1991 <br />10/1/1991 <br />10/1/1991 <br />10/1/1991 <br />Activated <br />8/1/1994 <br />8/1/1994 <br />8/1/1994 <br />8/1/1994 <br />Date <br />11/6/2014 <br />9/29/2014 <br />6/17/2014 <br />4/24/2014 <br />Field <br />Parameters <br />Baseline Operation <br />UNITS Min Ave Max Min Ave Max <br />Flow <br />GPM <br />0.0 <br />2.5 <br />43 <br />0.0 <br />3.9 <br />101.25 <br />0 <br />0 <br />0.75 <br />0.62 <br />Freeboard <br />Feet <br />0.0 <br />0.0 <br />0 <br />0.0 <br />1.3 <br />4 <br />0.94 <br />0.92 <br />0 <br />Temperature <br />Celsius <br />7.0 <br />7.0 <br />7 <br />0.5 <br />12.7 <br />26.5 <br />17.7 <br />11.1 <br />Conductivity <br />umhos /cm <br />180 <br />236 <br />280 <br />120 <br />378 <br />840 <br />300 <br />360 <br />pH <br />su <br />8.1 <br />8.1 <br />8.1 <br />6.8 <br />8.1 <br />8.4 <br />8.4 <br />8.4 <br />Field Comments <br />No Inflow <br />Lab <br />Parameters <br />UNITS <br />Bicarbonate <br />mg /L <br />102 <br />102 <br />102 <br />82 <br />156 <br />337 <br />126.64 <br />Carbonate <br />mg /L <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br />0.9 <br />7.0 <br /><MDL <br />Chloride <br />mg /L <br />2 <br />2 <br />2 <br /><MDL <br />20.0 <br />148.9 <br />22.16 <br />Conductivity <br />umhos /cm <br />200 <br />200 <br />200 <br />161 <br />316 <br />689 <br />327 <br />Hardness <br />mg /L <br />90 <br />1 <br />90 <br />90 <br />75 <br />162 <br />442.1 <br />245.28 <br />Acidity <br />mg /L <br />4 <br />18 <br />54.93 <br />4 <br />pH <br />su <br />8.0 <br />8.0 <br />8 <br />7.3 <br />7.9 <br />8.5 <br />7.27 <br />ResidueFilterable -TDS <br />mg /L <br />118 <br />118 <br />118 <br />90 <br />234 <br />484 <br />258 <br />ResidueNonFilterable -TSS <br />mg /L <br /><MDL <br />35 <br />83 <br />46 <br />SAR <br />0.32 <br />0.32 <br />0.32 <br />0.19 <br />0.54 <br />1.055 <br />0.389 <br />Sulfate <br />mg /L <br />8 <br />8 <br />8 <br /><MDL <br />15.67 <br />35.81 <br />14.82 <br />Calcium (Dissolved) <br />mg /L <br />23.0 <br />23.0 <br />23 <br />12.2 <br />38.3 <br />116 <br />38.2 <br />Iron (Dissolved) <br />mg /L <br />I <br />0.01 <br />0.06 <br />0.11 <br />0.044 <br />Iron (Total) <br />mg /L <br />0.12 <br />0.33 <br />0.69 <br />0.12 <br />Magnesium (Dissolved) <br />mg /L <br />8.0 <br />8.0 <br />8 <br />6.8 <br />16.5 <br />37.02 <br />36.4 <br />Manganese (Total) <br />mg /L <br />I <br /><MDL <br />I .02 <br />I .034 <br />1 <br />1 0.03 <br />Sodium (Dissolved) <br />mg /L <br />I ::7::Ot <br />7.0 <br />71 <br />4.41 <br />15.81 <br />51 <br />M <br />14 <br />TDS Ratio (gray. /calc.) <br />% <br />1 1.081 <br />1.081 <br />1.081 <br />0.931 <br />1.011 <br />1.13M <br />1.02 <br />Pond 15 -1 is a man made pond (approximately 20'x 25) with an earthen dam on its south side. The pond is located in the NE1 14 of <br />Section 15, T13S, R92W. Origin of surface water was observed to be from the Overland Ditch. (Simon Hydro Search, 92) <br />Baseline Information for Point P1501 is derived from events beginning on 10/1/91 through 8/1/94. <br />Point influenced by mining on 8/1/94. <br />Figure Number30 <br />