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Bowie Resources, LLC Surface Water <br />Bowie No. 1 Mine <br />2015 Annual Hydrology Report P1003 <br />East Roatcap Creek - Pond 10-3 <br />Depth - 3' <br />Elevation -8680 <br />Initiated 10/1/1991 10/1/1991 10/1/1991 10/1/1991 <br />Activated 11/1/1993 11/1/1993 11/1/1993 11/1/1993 <br />Date 1 11/10/2015 9/11/2015 6/21/2015 4/10/2015 <br />Summary Information <br />Field <br />Parameters <br />UNITS <br />Baseline Operation <br />Min Ave Max Min Ave <br />Max <br />Flow <br />GPM <br />0.0 0.7 2.5391 0.0 <br />4.2 <br />26.25 <br />0.88 <br />1.5 <br />0.27 <br />3.75 <br />Freeboard <br />Feet <br />0.0 <br />0.1 <br />2.68 <br />0 <br />0 <br />0 <br />0 <br />Temperature <br />Celsius <br />0.5 <br />10.7 <br />24.3 <br />8 <br />8.4 <br />19.8 <br />10 <br />Conductivity <br />umhos/cm <br />80 123 155 70 <br />145 <br />460 <br />150 <br />200 <br />250 <br />200 <br />pH <br />su <br />7.2 <br />7.9 <br />8.7 <br />8.1 <br />7.5 <br />7.2 <br />7.8 <br />Field Comments <br />Lab <br />Parameters <br />UNITS <br />Bicarbonate <br />mg/L <br />42.2 <br />70.3 <br />129.44 <br />116 <br />Carbonate <br />mg/L <br /><MDL <br /><MDL <br /><MDL <br /><MDL <br />Chloride <br />mg/L <br /><MDL <br />26.51 <br />173.71 <br />0.69 <br />Conductivity <br />umhos/cm <br />76 <br />159 <br />373 <br />215 <br />Hardness <br />mg/L <br />0.52 <br />67.97 <br />164.88 <br />120 <br />Acidity <br />mg/L <br />1 -122.00 <br />-14.89 <br />20.69 <br />-122 <br />pH <br />su <br />6.6 <br />7.4 <br />8.2 <br />7.16 <br />ResidueFilterable-TDS <br />mg/L <br />28 <br />124 <br />260 <br />156 <br />ResidueNonFilterable-TSS mg/L <br />4 <br />43 <br />184 <br />13.6 <br />SAR <br />0.14 <br />0.25 <br />0.64 <br />0.202 <br />Sulfate <br />mg/L <br /><MDL <br />10.64 <br />30.00 <br />0.68 <br />Calcium (Dissolved) <br />mg/L <br />1 5.01 <br />16.3 <br />31.4 <br />29.1 <br />Iron (Dissolved) <br />mg/L <br />0.18 <br />0.25 <br />0.33 <br />0.28 <br />Iron (Total) <br />mg/L <br />0.56 <br />1.28 <br />1.95 <br />1.95 <br />Magnesium (Dissolved) <br />mg/L <br />3.9 <br />7.0 <br />21 <br />11.6 <br />Manganese (Total) <br />mg/L <br /><MDL <br />0.097 <br />0.117 <br />1 <br />1 <br />0.117 <br />Sodium (Dissolved) <br />mg/L <br />2.30 <br />5.03 <br />18.8 <br />1 <br />1 <br />5.29 <br />TDS Ratio (gray./calc.) <br />% <br />1 0.331 <br />1.07 <br />1.41 <br />Pond 10-3 is a man made pond (approximately 50'x 30) with an earthern berm located on the south and southeast sides. The pond is <br />located on the SW1/4NE114 of Section 10, T13S, R92 W. Source of surface water is from the Overland Ditch via both natural and man <br />made drainages. (Simon Hydro Search, 92) <br />Baseline Information for Point P1003 is derived from events beginning on 10/1/91 through 11/1/93. <br />Point influenced by mining on 11/1/93. <br />Figure No. 43 <br />