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• <br />Bowie Resources, LLC <br />Bowie No. 1 Mine <br />2009 Annual Hydrology Report <br />P1003 <br />East Roatcap Creek - Pond 10-3 <br />Depth - 3' <br />Elevation -8680 <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 11/12/2009 8/22/2009 6/1812009 5/13/2009 <br />Riimmnrv Infnrmnfinn <br />• <br />Field <br />Parameters Baseline Operation <br />UNITS Min Ave Max Min Ave Max <br />Flow GPM 0.0 0.7 2.5391 0.0 4.8 26.25 1.07 0.94 0.94 3 <br />Freeboard Feet 0.0 0.0 0 0.0 0.1 2.68 0 0 0 0 <br />Temperature Celsius 0.5 10.8 24.3 1.7 8.2 14.2 10.8 <br />Conductivity umhos/cm 80 123 155 70 142 460 110 110 110 130 <br />pH su 7.2 7.9 8.7 7.7 7.9 7.7 8 <br />Field Comments <br />Lab <br />Parameters <br />UNITS <br />Bicarbonate mg/L 46 65 114 75.89 <br />Carbonate mg/L <MDL <MDL <MDL <MDL <br />Chloride mg/L <MDL 2 4.53 1.88 <br />Conductivity umhos/cm 95 129 222 166.55 <br />Hardness mg/L 30 61 111 82.66 <br />pH su 6.6 7.5 8.2 7.09 <br />ResidueFilterable-TDS mg/L 28 90 160 119 <br />ResidueNonFilterable-TSS mg/L 4 37 184 4 <br />SAR 0.14 0.20 0.311 0.23 <br />Sulfate mg/L <MDL 10.5 30 0.6 <br />Calcium (Dissolved) mg/L 5.0 14.3 20.9 20.9 <br />Magnesium (Dissolved) mg/L 3.9 5.5 10.1 7.4 <br />Sodium (Dissolved) mg/L 2.3 3.5 5.8 5 <br />TDS Ratio (grav./talc.) 0.33 1.09 1.41 1.06 <br />Pond 10-3 is a man made pond (approximately 50'x 30) with an earthem berm located on the south and southeast sides. The pond is <br />located on the SW114NE114 of Section 10, T13S, R92W. Source of surface water is from the Overland Ditch via both natural and man <br />made drainages. (Simon Hydro Search, 92) <br />• <br />Baseline Information for Point P1003 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. 26