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Bowie Resources, LLC <br />Bowie No. 1 Mine <br />2006 Annual Hydrology Report <br />P1002 <br />East Roatcap Creek -Pond 10-2 <br />Depth - 3' <br />Elevation -8630 <br />Surface Water <br />Initiated 10/1/1991 10/1/1991 10/1/1991 10/1/1991 <br />Activated 10/1/1993 10/1/1993 10/1/1993 10/1/1993 <br />Date 11/10/2006 9/25/2006 6/20/2006 4/14/2006 <br />Summary Information <br /> <br />Field:. -- <br />Paranietef5~~- ` Baseline Operation <br />UNITS Min Ave Max Min Ave Max <br />Flow GPM 0.0 0.6 0.8977 0.0 9.7 78.75 3.75 0.71 2.5 3.75 <br />Freeboard Feet 0.0 0.0 0 0.0 0.2 3.15 0 0 0 0 <br />Tem erature Celsius 0.6 11.3 24.5 1.5 8.2 20.7 9.8 <br />Conductivity umhos/cm 120 126 130 80 226 510 320 400 220 240 <br />pH su 5.8 8.0 9.8 8 7.8 8.2 8.1 <br />Field Comments <br />Lap <br />Parameters - <br />UNITS <br />Bicarbonate mg/L 48 110 199 148.43 <br />Carbonate mglL <MDL 1.2 12 0 <br />Chlodde mg/L <MDL 32 210 0 <br />Conductivity umhos/cm 91 194 378 248.54 <br />Hardness m /L 43 102 199 102.87 <br />H su 6.8 7.8 8.4 7.73 <br />ResidueFilterable-TDS mg/L 50 129 240 180 <br />ResidueNOnFilterable-TSS mg/L 6 23 48 40 <br />SAR 0.13 0.23 0.33 0.325 <br />Sulfate m /L <MDL 10.0 20 7.82 <br />Calcium Dissolved) m /L 11.6 23.5 44.7 16.13 <br />Magnesium (Dissolved) mg/L 3.5 10.5 21.3 15.2 <br />Sodium (Dissolved) mg/L 2.1 5.5 10.6 7.58 <br />TDS Ratio (grav./talc.) 0.92 1.2 1.49 0.92 <br />Pond 10-2 is a man made pond (approximately 30' x 20) with an earthen berm on the south side. The pond is located in the NW7/4SE1/4 <br />of Section 10, T13S, R92W. The source of the water for this point is tram both runoff and the Ovedand Ditch via nafuml dreinage. <br />(Simon Hydro Search, 92) <br />Baseline Information for Point P1002 is derived from events beginning on 10/1/91 through 10/153. <br />Point inFluenced by mining on 1011!93. <br />Figure No. 47 <br />