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• <br />• <br />I• <br />Bowie Resources Limited <br />Bowie No. 1 Mine <br />2003 Annual Hydrology Report <br />52500 <br />Steven's Gulch -Spring 25 <br />Elevation - 7160 <br />Summary Information <br />Surface Water <br />Initiated 4/14/1983 4/1411983 4/14/1983 4114/1983 <br />Activated <br />Dale 12/14/2003 9/19/2003 6/25/2003 4/26/2003 <br />6ie'ld~' ~ <br />Barametets } Baseline Operation <br />UNITS Min Ave Max Min Ave Max <br />Flow GPM 0 0.60 7.49 0 0 0 0 <br />Temperature Celsius 5.0 14.1 27.9 <br />Conductivi umhoslcm 1960 2992 4470 <br />pH su 6.9 7.9 9.1 <br />Field Comments Dry D Dry Damp <br />1=a <br />Paratne e. <br />UNITS <br />Bicarbonate mg/L 463 846 1040 <br />Carbonate m IL <MDL <MDL <MDL <br />Chloride m /L 22 43 68 <br />Conductivity umhos/cm 1650 3062 3780 <br />Hardness mglL 679 1387 1894 <br />pH su 7.4 8.02 8.4 <br />ResidueFilterable-TDS m /L 1036 2450 3398 <br />ResidueNonFilterable-TS m L 8 92 492 <br />SAR 0.98 3.84 4.76 <br />Sulfate m /L 811 1311 1827 <br />Calcium (Dissolved) mg/L 73 140 208 <br />Magnesium (Dissolved) mg/L 121 252 346 <br />Sodium (Dissolved) mg/L 192 339 396 <br />Potassium mg/L <MDL 3.07 9.2 <br />TDS Ratio (grav./talc.) 1.01 1.01 1.01 <br />The area of concern /or monitoring point S2500 has not been affected by the mining operation. Therefore, all recorded <br />monitoring events are considered Baseline. <br />This spring consists oI a 4' x 8' area where water comes from a coal lens or an old mine addit. (Hanna, 99) <br />Baseline Information Collection initiated on 4/14/83 and not yet wnsidered complete. <br />Point 52500 has not been inauenced by mining. <br />Figure No. 41 <br />