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L._J <br />Bowie Resources, LLC <br />Bowie No. 1 Mine <br />2008 Annual Hydrology Report <br />P1001 <br />East Roatcap Creek - Pond 10-1 <br />Depth - 5' <br />Elevation -8520 <br />Surface Water <br />Initiated 6/1/1992 6/1/1992 6/1/1992 6/1/1992 <br />Activated 2/1/1994 2/1/1994 2/1/1994 2/1/1994 <br />Date 11/30/2008 8/19/2008 6/20/2008 5/15/2008 <br />Summary Information <br />• <br />r, <br />L J <br /> Baseline Operation <br />UNITS Min Ave Max Min Ave Max <br />Flow GPM 0.2 0.5 0.8977 0.0 6.7 67.01 0 0 0 2.19 <br />Freeboard Feet 0.0 0.0 0 0.0 1.6 5 3.11 0.34 0.52 0 <br />Temperature Celsius 0.8 13.6 27.2 10.8 <br />Conductivity umhos/cm 102 133 163 70 317 760 100 <br />pH su 7.0 8.0 8.9 8.1 <br />Field Comments No Inflow No Inflow No Inflow <br /> UNITS <br />Bicarbonate mg/L 36 90 163 <br />Carbonate mg/L <MDL <MDL <MDL <br />Chloride mg/L <MDL 12 73 <br />Conductivity umhos/cm 43 174 307 <br />Hardness m /L 31 86 157 <br />H su 7.4 7.7 8.2 <br />ResidueFilterable-TDS mg/L 70 109 , 200 <br />ResidueNonFilterable-TSS mg/L 7 38 68 <br />SAR 0.18 0.22 0.287 <br />Sulfate mg/L <MDL 10 13.58 <br />Calcium (Dissolved) mg/L 5.9 20.2 39.1 <br />Magnesium (Dissolved) mg/L 3.5 7.3 14.5 <br />Sodium (Dissolved) mg/L 2.5 4.5 7.4 <br />Potassium mg/L <MDL 1.8 4.9 <br />TDS Ratio (grav./calc. 0.77 0.98 1.13 <br />Pond 10-1 is a man made pond (approximately 20'x 20) with an earthen berm located on the south side. The pond is located in <br />the SW114SE114 of Section 10, T13S, R92W Source of surface water is from the Overalnd Ditch via a man made <br />drainage. (Simon Hydro Search, 92) <br />Baseline Information for Point P1001 is derived from events beginning on 6/1/92 through 2/1/94. <br />Point influenced by mining on 2/1/94. <br />Figure No. 25