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Bowie Resources Limited Surface Water <br />Bowie No. 1 Mine <br />2003 Annual Hydrology.Report S3000 <br />• East Roatcap Creek -Spring 30 <br />Elevation - 7840 <br />Summary Information <br />• <br /> <br />Initiated 5/1611983 511611983 5/16/1983 5116/1983 <br />Activated <br />Dale 12/2212003 9119!2003 6!29/2003 4/2512003 <br />-'e <br />P.aramete Baseline Operation <br />UNITS Min Ave Max Min Ave Max <br />Flow GPM 0 0.55 12.1 0 0 0.3 0 <br />Temperature Celsius 0.8 9.7 22.9 g,5 <br />Conductivity umhos/cm 210 662 900 750 <br />pH su 6 7.7 9 7.4 <br />Field Comments Seep <br />~~b <br />2a. eers <br />UNITS <br />Bicarbonate !L 107 312 381 335 <br />Carbonate mg/L <MDL <MDL <MDL <MDL <br />Chloride mg/L 3 10 17 17 <br />Conductivi umhos/cm 180 624 844 844 <br />Hardness m 2 81 304 400 284 <br />H su 7.3 7.8 8.3 7.3 <br />ResidueFilterable-TDS m /L 155 387 530 530 <br />ResidueNOnFilterable-TS m /L <MDL 26 116 8 <br />SAR 0.24 0.84 7.3 0.7 <br />Sulfate m /L 8 61 120 120 <br />Calcium (Dissolved) mg/L 21 84.6 111 76.6 <br />Ma nesium (Dissolved) m /L 7 22 34 21.4 <br />Sodium (Dissolved) mg/L 5 22.7 36 26.9 <br />Potassium mglL <MDL 0.2 1.0 <br />TDB Ratio ( rev./talc.) <MDL 0.68 1.1 <br />The area of concern for moniorng point 53000 has not been affected by the mining operation. Therefore, all recorded <br />monitoring events are considered Baseline. <br />This 5' x 5'spring comes out of the toe of a side gulch. (Hanna, 99) <br />Baseline Information Collection initiated on 5/16/83 and not yet considered complete. <br />Point 53000 has not been influenced by mining. <br />Figure No. 43 <br />