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Bowie Resources, LLC <br />Bowie No. 1 Mine <br />• 2008 Annual Hydrology Report <br />P1009 <br />East Roatcap Creek - Pond 10-9 <br />Depth - 3' <br />Elevation -8395 <br />Surface Water <br />Initiated 10/1/1991 10/1/1991 10/1/1991 10/1/1991 <br />Activated 9/1/1995 9/1/1995 9/1/1995 9/1/1995 <br />Date 11/30/2008 8/19/2008 6/27/2008 5/15/2008 <br />Summary Information <br />Baseline Operation <br />Flow GPM 0.0 6.4 120 0.0 7.8 60.0 0 5 15 7.5 <br />Freeboard Feet 0.0 0.0 0 0.0 0.5 3.2 0.99 0 0 0 <br />Temperature Celsius 8.0 13.7 23.2 0.4 12.4 22.9 8.1 18 11.2 <br />Conductivity umhos/cm 90 222 470 80 180 420 160 140 140 <br />pH su 7.7 8.0 8.3 7.2 8.1 8.5 8.2 8.3 8.2 <br />Field Comments Seep Inflow <br />• <br />r? <br /> <br />' UNITS <br />Bicarbonate mg/L 98 98 98 71 109 232 89.03 <br />Carbonate mg/L <MDL <MDL <MDL <MDL 1 5 <MDL <br />Chloride mg/L 2 2 2 <MDL 2.02 4.53 3.66 <br />Conductivity umhos/cm 184 184 184 142 210 426 165.2 <br />Hardness mg/L 85 85 85 55 101 212 82.56 <br />H su 7.8 7.8 7.8 6.6 7.8 8.4 7.94 <br />ResidueFilterable-TDS mg/L 96 96 96 76 135 250 140 <br />ResidueNonFilterable-TSS mg/L 6 6 6 14 32 66 40 <br />SAR 0.24 0.24 0.24 0.18 0.27 0.45 0.25 <br />Sulfate mg/L 8 8 8 <MDL 8.8 20.0 5.76 <br />Calcium (Dissolved) mg/L 21.0 21.0 21 8.3 22.9 50.4 19.41 <br />Magnesium (Dissolved) mg/L 8.0 8.0 8 6.1 10.7 21 8.28 <br />Sodium (Dissolved) mg/L 5.0 5.0 5 3.5 6.5 15.2 5.25 <br />TDS Ratio (arav./calc.) 0.69 1.05 1.28 1.06 <br />Pond 10-9 is a man made pond (approximately 45'x 20) with an earthen dam located on the south side. The pond is located in the <br />NE114SE114 of Section 10, T13S, R92W. The source of surface water is from the Overland Ditch and natural runoff. (Simon Hydro Search, 92) <br />Baseline Information for Point P1009 is derived from events beginning on 10/1191 through 9/1195. <br />Point influenced by mining on 9/1/95. <br />Figure No. 30