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Bowie Resources, LLC <br />Bowie No. 2 Mine <br />2010 Annual Hydrology Report <br />D-Gulch-up <br />Drainage System <br />Elevation - 7160 <br />Surface Water <br />Initiated 2128/1995 2/28/1995 2/28/1995 2/28/1995 <br />Activated 6/16/1998 6/16/1998 6/16/1998 6/16/1998 <br />Date 12/10/2010 9/2912010 6129/2010 4/27/2010 <br />Summary Information <br />Baseline Operation <br />INITS Min Ave Max Min Ave Max <br />Flow GPM 0 0 0 0.00 0.00 0.00 0 0 0 0 <br />FieldComment No Flow No Flow No Flow No Flow <br />ph su <br />Conductivity umhos/cm <br />Temperature Celsius <br /> UNITS <br />B mg/L <br /> mg/L <br /> umhos/cm <br />s mg/L <br />Nitrate-Nitrite mg/L <br />Oil and Grease mg/L <br />pH su <br />Phosphate mg/L <br />ResidueFilterable-TDS mg/L <br />ResidueNonFilterable-TSS mg/L <br />SAR <br />Sulfate <br />Aluminum <br />Arsenic <br />Cadmium H <br />Calcium <br />Copper <br /> <br />Iron (Total) mg/L <br />Lead mg/L <br />Magnesium mg/L <br />Manganese (Total) mg/L <br />Mercury mg/L <br />Molyebdenum mg/L <br />Selenium mg/L <br />Sodium mg/L <br />Zinc mg/L <br />The Upper D Gulch monitoring point is located at the end of an old coal exploration road near DH-16, approximately 1,200' above the <br />Lower D Gulch monitoring point. <br />11 <br />• <br />1] <br />Baseline Information for Point D-Gulch-up is derived from events beginning on 2128/95 through 6/16/98. <br />Point influenced by mining on 6/16/98. <br />Figure No. 108