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Bowie Resources, LLC Surface Water <br />Bowie No. 1 Mine <br />2006 Annual Hydrology Report 53000 <br />East Roatcap Creek -Spring 30 <br />Elevation • 7840 <br />Initiatetl 5/16/1983 5/16/1983 5/16/1963 6/16/1983 <br />Activated <br />Date 11/10/2006 9/25/2008 6/20/2006 4/14/2006 <br />Summary Information <br />Field": - - <br />RaremeTers -' - - - Baseline Operation <br />UNITS Min Ave Max Min Ave Max <br />Flow GPM 0 0.61 12.1 0 0.22 0.22 0.54 <br />Temperature Celsius 0.8 9.6 22.9 8.2 9.3 7.7 <br />Condugivi umhos/cm 210 881 900 670 670 640 <br />pH su 8 7.7 9 7.7 7.6 7.3 <br />Field Comments Damp <br />Lab- <br />Parameters, -: - - <br />UNITS <br />Bicarbonate mg/L 107 312 381 289.36 <br />Carbonate mg/L <MDL <MDL <MDL 0 <br />Chloride mg/L 3 10 17 11.26 <br />Conducliviry umhos/cm 180 632 844 725.93 <br />Hardness mg/L 81 312 479.28 479.28 <br />H su 7.3 7.8 8.3 8.01 <br />ResitlueFilterable-TDS m /L 155 394 542 542 <br />ResidueNOnFdterable-TSS mg/L <MDL 27 Y16 12 <br />SAR 0.24 0.84 7.3 0.934 <br />Sulfate mg/L 8 61 120 74.09 <br />Calcium Dissolved) mg/L 21 87.1 733 133 <br />Ma nesium Dissolved mg/L 7.0 23.0 35.7 35.74 <br />Sodium (Dissolvetl) mg/L 8 24.0 47 47 <br />Potassium mg/L <MDL 0.5 1.3 <br />TDS Ratio (grav.lcalc.) <MDL 0.79 1.1 0.92 <br />The area o/croncem (or monitodng point 53000 has not been affected by the mining operation. Therefore, all2cortletl <br />monitonn9 events are considered Baseline. <br />This 5' z 5'spnng comes out o/the toe of a side gulch. (Hanna, 99) <br />Baseline Imormation Collection initiated on 5/16/83 and not yet considered complete. <br />Poin153000 has not been influenced by mining. <br />Figure No. 35 <br />