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I• Bowie Resources, LLC Bowie No. 2 Mine 2005 Annual Hydrology Report AW-2 Alluvial Well Top of Pipe Elevation - 5966.62' Depth - 50.4' Pipe 1.32' Above Ground Ground Water Initiatetl 11/23!1996 11/23/1996 11/23/1996 11/23/1996 AcBvated 3/27/1997 3/27/1997 3/27!1997 3/27/1997 (Date 12/29/2005 9/26/2005 6/27/2005 3/18/2005 Summary Information t ,/ I1 Field Parameters Baseline Operation UNITS Min Ave Max Min Ave Max Static Water Level Feet 50.35 50.85 50.81 35.55 49.53 51.76 49.06 49.75 50.24 50.22 Water Elevation Feet 5915.8 5916.0 5916.3 5914.9 5917.1 5931.1 5917.56 5918.87 5916.38 5916.4 FieldComment ph su 8.9 7.1 7.5 7.4 7.1 7.1 7.1 Conductivity umhos/cm 1075 4808 9700 9700 7900 7300 7600 Temperature Celsius 11.8 15.0 18.4 11.8 16.5 17.2 14.8 Lab Parameters UNITS Bicarbonate mg/L 840 865 906 648 Carbonate mg/L <MDL <MDL <MDL <MDL Chloride mg/L 100 163 206 206 Conductivity umhos/cm 4030 6063 8850 8650 Hardness m /L 1070 2440 3810 3810 Nitrate-Nitrite m /L 2.26 3.83 5.10 5.1 Ammonia mg/L <MDL <MDL <MDL <MDL pH su 7.2 7.5 7.7 7.7 Phosphate mg/L 0.03 0.05 0.06 0.06 ResidueFilterable-TDS mg/L 3230 6180 9720 9720 Sulfate m /L 1470 3357 5800 5600 Arsenic mg/L <MDL <MDL <MDL <MDL Cadmium mg/L <MDL <MDL <MDL <MDL Calcium mg/L 148 311 467 467 Iron Dissolved) mg/L 0.05 0.07 0.09 0.09 Iron otal) m IL 0.41 2.03 3.20 3.2 Magnesium mg/L 170 405 644 844 Manganese (Dissolvetl) mg/L <MDL 0.04 0.07 0.009 Manganese (total) mg/L 0.02 0.06 0.11 0.06 Mercu m /L <MDL <MDL <MDL <MDL Selenium mg/L 0.01 0.07 0.15 0.007 Sodium mg/L 329 660 953 953 Zinc mg/L <MDL 0.02 0.03 0.01 "Not enough water to get sample Alluvial Wells AW-7 through AW-6 are located north of Old Stafe Highway 133, near fhe entrence fo the mine. Baseline Information for Point AW-2 is derivetl from events beginning on 11/23/96 Nrough 3/27/97. Point influenced by mining on 3/27/97. Figure No. 151