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Bowie Resources, LLC Surface Water <br />Bowie No. 2 Mine <br />2016 Annual Hydrology Report S-12 <br />B Gulch - Spring 12 <br />Elevation - 7650 <br />Initiated <br />Activated <br />Date <br />7/12/1995 <br />7/12/1995 <br />7/12/1995 <br />7/12/1995 <br />7/1/2004 7/1/2004 7/1/2004 <br />1 <br />7/1/2004 <br />10/28/2016 9/13/2016 6/29/2016 <br />5/31/2016 <br />Summary Information <br />Field <br />Parameters <br />Baseline Operation <br />UNITS Min Ave Max Min Ave Max <br />Flow <br />GPM 0.00 0.00 0.00 0.00 0.00 0.00 0 0 0 0 <br />FieldComment <br />Dry Dry Dry Dry <br />ph <br />su <br />Conductivity <br />umhos/cm <br />Temperature <br />Celsius <br />Lab <br />Parameters <br />UNITS <br />Bicarbonate <br />mg/L <br />Chloride <br />mg/L <br />Conductivity <br />umhos/cm <br />Hardness <br />mg/L <br />Nitrate -Nitrite <br />mg/L <br />Oil and Grease <br />mg/L <br />pH <br />su <br />Phosphate <br />mg/L <br />ResidueFilterable-TDS <br />mg/L <br />ResidueNon Filterable -TSS <br />mg/L <br />SAR <br />Sulfate <br />mg/L <br />Aluminum <br />mg/L <br />Arsenic <br />mg/L <br />Cadmium <br />mg/L <br />Calcium <br />mg/L <br />Copper <br />mg/L <br />Iron (Total) <br />mg/L <br />Lead <br />mg/L <br />Magnesium <br />mg/L <br />Manganese (Total) <br />mg/L <br />Mercury <br />mg/L <br />Molyebdenum <br />mg/L <br />Selenium <br />mg/L <br />Sodium <br />mg/L <br />Zinc <br />mg/L <br />The monitoring point for S-12 is located along a switchback road that ascends the southern facing exposure of the canyon wall of the North <br />Fork of the Gunnison River. The road leads to the broad ridge which separates the Hubbard Creek and Terror Creek drainage systems. <br />Baseline Information for Point S-12 is derived from events beginning on 7/12/95 through 7/1/04. <br />Point Influenced by mining on 7/1/04. <br />Figure 27 <br />