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Bowie Resources, LLC <br />Bowie No. 1 Mine <br />2008 Annual Hydrology Report <br />P8900 <br />East Roatcap Creek - Pond 89 <br />Depth - 4.5' <br />Elevation -7490 <br />Surface Water <br />Initiated 5/16/1983 5/16/1983 5/16/1983 5/16/1983 <br />Activated <br />Date 11/30/2008 8/19/2008 6/20/2008 5/15/2008 <br />Summary Information <br />Baseline Operation <br /> <br />Flow will 1 <br />GPM <br />0.0 <br />4.6 -- <br />67.5 <br />0 <br />1.25 <br />3 <br />15 <br />Freeboard Feet 0.0 1.3 7.8 5.68 0 0 0 <br />Temperature Celsius 0.8 15.1 27.1 12.1 19.8 12.4 <br />Conductivity umhos/cm 160 418 1040 510 490 410 <br />pH su 6.1 8.0 9.9 7.8 7.7 7.5 <br />Field Comments No Inflow Seep Inflow Seep Inflow <br /> <br />Bicarbonate UNITS <br />mg/L <br />40.0 <br />199.3 <br />287.0 <br />236.13 <br /> Carbonate mg/L <MDL 1 24 <MDL <br /> Chloride mg/L 1 8 27 1.43 <br /> Conductivity umhos/cm 100 466 823 482.9 <br /> Hardness mg/L 37 215 418 178.93 <br /> pH su 6.7 7.7 9.2 8.12 <br /> ResidueFilterable-TDS mg/L 50 298 552 362 <br /> Residue Non Filterable-TSS mg/L 4 47 320 18 <br /> SAR 0.21 0.47 0.9 0.638 <br /> Sulfate mg/L 4 62 198 16-46 <br /> Calcium (Dissolved) mg/L 10.0 57.2 113.0 39.4 <br /> Magnesium (Dissolved) mg/L 3.0 17.5 33.0 19.56 <br /> Sodium (Dissolved) mg/L 3.0 15.7 28.4 19.71 <br /> TDS Ratio (grav./talc.) 0.92 1.02 1.11 1.09 <br />The area of concern for monitoring point P8900 has not been affected by the mining operation. Therefore, all recorded <br />monitoring events are considered Baseline. <br />This large pond is approximately 100'x 100'. (Hanna, 99) <br />• <br />Baseline Information Collection initiated on 5/16/83 and not yet considered complete. <br />Point P8900 has not been influenced by mining. <br />Figure No. 37