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Bowie Resources Limited Surface Water <br />Bowie No. 1 Mine <br />2003 Annual Hydrology Repoli P1001 <br />East Roatcap Creek -Pond 10-1 <br />Depth - 5' <br />Elevation -8520 <br /> <br />I• <br />Summary Information <br />Initiated 6/111992 6/1/1992 611/1992 6/1/1992 <br />Activated 2/1/1994 2/1/1994 21111994 211/1994 <br />Date 12/2212003 911912003 62912003 4/252003 <br /> <br />Paramet Baseline Operation <br />UNITS Min Ave Max Min Ave Max <br />Flow GPM 0.2 0.5 0.6977 0.0 6.5 67.01 0 0 0 0 <br />Freeboard Feet 0.0 0.0 0 0.0 1.5 5 5 4.13 3.46 2.86 <br />Temperature Celsius 0.8 12.8 26.2 <br />Conductivity umhoslcm 102 133 163 70 369 760 <br />pH su 7.0 7.9 8.9 <br />Field Comments Puddle Stagnant Sta nanl Puddle <br />a <br />ram <br />UNITS <br />Bicarbonate mg/L 36.0 106.8 163 <br />Carbonate mglL <MDL <MDL <MDL <br />Chloride m 2 1.0 19.3 73 <br />Conductivity umhos/cm 43.0 198.8 307 <br />Hardness m 2 75.0 114.8 157 <br />pH su 7.4 7.7 8.1 <br />ResidueFilterable-TDS mg/L 70.0 132.5 200 <br />ResidueNOnFilterable-TS m /L 30.0 49.0 68 <br />SAR 0.2 0.2 0.26 <br />Sulfate m 2 8.0 9.3 10 <br />Calcium (Dissolved) m 2 10.9 26.0 39.1 <br />Ma nesium (Dissolved) m /L 3.8 8.6 14.5 <br />Sodium (Dissolved) mglL 3.1 5.2 7.4 <br />Potassium m 2 <MDL 1.6 4.9 <br />TDS Ratio ( rav.lcalc.) 1.1 1.1 1.09 <br />Pond 10.1 is a man made pond (approximately 20' x 207 with an earthen berm located on the south side. The pond is located in <br />the SWf/4SE7/4 of Section 10, T13S. R92W. Source of surface water is /rom the Overelnd Difch via a man made <br />drainage. (Simon Hydro Search, 92) <br />Baseline Information for Point P1007 is tledved from events beginning on Nt/92 through 211/94. <br />Point influenced by mining on 2/1/9x. F19UfB NO. 58 <br />