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• <br />Bowie Resources limited <br />Bowie No.1 Mine <br />2004 Mnual Hydrology Report <br />S2500 <br />Steven's Gulch -Spring 25 <br />Elevation - 7160 <br />Surface Water <br />Initated 4/1411983 4114/1983 4/14/1983 411411983 <br />Activated <br />Date 11/19/2004 9115/2004 628/2004 4/2912004 <br />1~ <br />u <br />• <br />Summary Information <br /> Baseline Operation <br />UNITS Min Ave Max Min Ave Max <br />Flow GPM 0 0.58 7.49 0 0 0 0 <br />Temperature Celsius 5.0 14.1 27.9 <br />Conductivity umhoslan 1960 2992 4470 <br />pH su 6.9 7.9 9.1 <br />Field Comments Dry Dry Dry Dry <br /> UNITS <br />Bicarbonate mglL 483 846 1040 <br />Carbonate mglL <MDL <MDL <MDL <br />Chbride mglL 22 43 58 <br />Conductivity umtws/cm 1850 3062 3780 <br />Hardness mgll 879 1387 1894 <br />pH w 7.4 8.02 8.4 <br />ResidueFiBerable-TDS mglL 1036 2450 3398 <br />ResidueNOnFiRerable-TS mg/L 8 92 492 <br />SAR 0.98 3.84 4.76 <br />Sulfate mglL 811 1311 1827 <br />Callum (Dissolved) mglL 73 140 208 <br />Magnesium (Dissolved) mg1L 121 252 346 <br />Sodium (Dissolved) mglL 192 339 396 <br />Potassium mglL <MDL 3.07 9.2 <br />TDS Ratio (grev./plc.) 1.01 1.01 1.01 <br />The area o/ conpm for monitoring point S2500 has not been a//ected by the mining operetlon. Therefore, all recorded <br />monitoring events are considered Baseline. <br />This spdng pnsists o/ a 4' x 8' area where water Ames 6om a coal lens or an old mine addit. (Hanna, 99) <br />Baseline Infortnalion Collection initiated on 4/14/83 and not yet wnsidered complete. <br />Point 52500 has nol been influenced by mining. <br />Figure No. 41 <br />