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Bowie Resources, LLC Surface Water <br />Bowie No. 2 Mine <br />2016 Annual Hydrology Report S7-9 <br />Terror Creek - Spring 7-9 <br />Elevation - 7800 <br />Initiated <br />Activated <br />Date <br />7/19/1983 <br />7/19/1983 <br />7/19/1983 <br />7/22/2012 7/22/2012 <br />1 <br />7/22/2012 <br />11/8/2016 9/21/2016 <br />6/24/2016 <br />Summary Information <br />Field <br />Parameters <br />UNITS <br />Min <br />Baseline <br />Ave <br />Operation <br />Max Min Ave Max <br />Flow <br />GPM <br />0.00 <br />0.01 <br />0.27 0.00 0.00 0.00 0.00 0.00 0.00 <br />Temperature <br />Celsius <br />8.6 <br />11.3 <br />15.2 <br />Conductivity <br />umhos/cm <br />271 <br />614 <br />791 <br />pH <br />su <br />7.0 <br />7.5 <br />8.0 <br />Field Comments <br />Dry Dry. Dry <br />Lab <br />Parameters <br />UNITS <br />Bicarbonate <br />mg/L <br />139.1 <br />326.2 <br />427.0 <br />Carbonate <br />mg/L <br />Chloride <br />mg/L <br />1.0 <br />5.7 <br />11.0 <br />Conductivity <br />umhos/cm <br />259.0 <br />522.3 <br />678.0 <br />Hardness <br />mg/L <br />104.0 <br />264.3 <br />347.0 <br />pH <br />su <br />6.71 <br />7.5 <br />8.0 <br />Residue Filterable-TDS <br />mg/L <br />144.0 <br />327.0 <br />425.0 <br />ResidueNon Filterable -TSS mg/L <br />94.0 <br />129.3 <br />170.0 <br />SAR <br />0.1 <br />0.6 <br />0.9 <br />Sulfate <br />mg/L <br />4.0 <br />26.0 <br />43.0 <br />Calcium (Dissolved) <br />mg/L <br />30.0 <br />68.0 <br />88.0 <br />Magnesium (Total) <br />I mg/L <br />7.01 <br />23.01 <br />31.0 <br />Sodium (Dissolved) <br />mg/L <br />3.0 <br />24.7 <br />38.0 <br />Potassium <br />mg/L <br />TDS Ratio (gray./calc.) <br />The monitoring point for Spring 7-9 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 7/22/2012. <br />Point S7-9 influenced by mining on 7/22/12. <br />Figure 44 <br />