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Bowie Resources, LLC <br />Bowie No. 2 Mine <br />2007 Annual Hydrology Report <br />C-Gulch-up <br />Drainage System <br />Elevation - 7120' <br />Surface Water <br />Initiated 2/28,x1995 2/28!1995 2/28/1995 2/28/1995 <br />Activated 3/30/1997 3/30/1997 3/30!1997 3/30/1997 <br />Date 11/26/2007 9/24/2007 7/1/2007 3/14/2007 <br />• <br />• <br />Summary Information <br />Field ~ Baseline Operation <br />T~ ..:., n.,., nn~ nn.., Avo Mar <br />rararneceis <br />Flow v~~ii~ <br />GPM ~.~~~~ <br />0 r,... <br />0 ,....,. <br />0 ...... <br />0.0 ..-- <br />0.0 -- <br />0.0 <br />0 <br />0 <br />0 <br />0 <br />FieldComment No Flow No Flow No Flow No Flow <br />h su 7.7 7.7 7.7 <br />Conductivity umhos/cm 4800 48D0 4800 <br />Temperature Celsius 18.6 18.6 18.6 <br />Lab <br />Parameters <br />UNITS <br />Bicarbonate mg/L <br />Chloride mg/L <br />Conductivity umhos/cm <br />Hardness mglL <br />Nitrate-Nitrite mg/L <br />Oil and Grease m /L <br />pH su <br />Phosphate mg/L <br />ResidueFilterable-TDS mg/L <br />ResidueNonFilterable-TSS mg/L <br />SAR - <br />Sulfate mg/L <br />Aluminum mg/L <br />Arsenic mg/L <br />Cadmium mg/L <br />Calcium mg/L <br />Copper mg/L <br />Iron (Total) mg/L <br />Lead mg/L <br />Magnesium mg/L <br />Manganese (Total) m /L <br />Mercury mg/L <br />Molyebdenum mg/L <br />Selenium mglL <br />Sodium mg/L <br />Zinc mglL <br />The monitoring point for Upper C Gulch is just above the mine portals. C Gulch directs all stormwater to Sediment Pond C. <br />Baseline Information for C-Gulch-up is derived from events beginning on 2/28/95 through 3/30/97. <br />Point influenced by mining on 3/30/97. <br />Figure No. 91 <br />