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Bowie Resources, LLC <br />Bowie No.1 Mine <br />• 2008 Annual Hydrology Report <br />P1004 <br />East Roatcap Creek - Pond 10-4 <br />Depth - 3' <br />Elevation -8780 <br />Surface Water <br />Initiated 10/1/1991 10/1/1991 10/1/1991 10/1/1991 <br />Activated 11/1/1993 11/1/1993 11/1/1993 11/1/1993 <br />Date 11/30/2008 8/19/2008 6/27/2008 [__5/15/2008 <br />Summary Information <br />Baseline Operation <br />n .... Rn.,., KA;n 4.. KAe <br />Flow GPM 0.4 1.3 10.131 0.0 11.2 65.6 2.5 2.5 13.13 6.25 <br />Freeboard Feet 0.0 0.0 0 0.0 0.1 1.5 0 0 0 0 <br />Temperature 0.4 11.2 23.9 1.2 8.5 11.8 11.3 <br />Conductivity A 110.0 182.8 225 40 111 490 120 90 40 100 <br />pH 6.8 8.0 8.9 8.2 8.2 8.4 7.9 <br />Field Comments <br /> UNITS <br /> Bicarbonate mg/L 31 53 90 31.22 <br /> Carbonate mg/L <MDL <MDL <MDL <MDL <br /> Chloride mg/L <MDL 1.69 4.53 3.66 <br /> Conductivity umhos/cm 68, 106 173 67.5 <br /> Hardness mg/L 28.8 48.7 86.0 32.9 <br /> H su 6.6 7.4 8.1 7.4 <br /> ResidueFilterable-TDS mg/L 6 73 120 60 <br /> ResidueNonFilterable-TSS mg/L 2 39 96 40 <br /> SAR 0.13 0.17 0.297 0.17 <br /> Sulfate mg/L <MDL 12.9 26.34 6.17 <br /> Calcium (Dissolved) mg/L 51 12.5 22.0 8.64 <br /> Magnesium (Dissolved) mg/L 2.7 4.3 7.6 2.75 <br /> Sodium (Dissolved) mg/L 1.8 2.8 3.9 2.25 <br /> TDS Ratio (arav./talc.) 0.07 1.1 1.79 1.1 <br />Pond 10-4 is a man made pond (approximately 50'x 507 with an earthen dam located on the south side. The pond is located in the <br />SE114NW114 of Section 10, T13S, R92 W. Source of the surface water is from the Overland Ditch. (Simon Hydro Search, 92) <br />• <br />Baseline Information for Point P1004 is derived from events beginning on 10/1/91 through 11/1/93. <br />Point influenced by mining on 11/1/93. <br />Figure No. 28