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Bowie Resources, LLC <br />Bowie No. 2 Mine <br />2010 Annual Hydrology Report <br />D-Gulch-lo <br />Drainage System <br />Elevation - 6960 <br />Surface Water <br />Initiated 2/2811995 2/28/1995 2/28/1995 2/28/1995 2/28/1995 <br />Activated 6116/1998 6/16/1998 6116/1998 6/16/1998 6/16/1998 <br />Date 12/8/2010 9/22/2010 918/2010 6/22/2010 3/30/2010 <br />Summary Information <br />Baseline Operation <br />UNITS Min Ave Max Min Ave Max <br />Flow GPM 0 0 0 0.00 0.00 0.00 0 0 0 0 0 <br />FieldComment No Flow No Flow No Flow No Flow No Flow <br />ph su <br />Conductivity umhos/cm <br />Temperature Celsius <br />• <br />E <br /> UNITS <br />Bicarbonate mg/L <br />Chloride mg/L <br />Conductivity umhos/cm <br />Hardness 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 /> <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) mg/L <br />Mercury mg/L <br />Molyebdenum mg/L <br />Selenium mg/L <br />Sodium mg/L <br />Zinc mg/L <br />The Lower D Gulch monitoring point is located approximately 3000 feet east of the mine entrance along the north side of <br />Old Highway 133. <br />Baseline Information for D-Gulch-lo is derived from events beginning on 2/28/95 through 6/16/98. <br />Point influenced by mining on 6/16/98. <br />Figure No. 107