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Drill Hole 49 is located just above Stevens Draw road approximately 1000 feet southwest of the mine portals. It is accessed by the <br />Stevens Draw road. <br />Baseline Information for Point DH-49 is derived from events beginning on 6/12/95 through 3/30/97. <br />Point influenced by mining on 3/30/97. <br />Figure No. 142 <br />Bowie Resources, LLC <br />Ground Water <br />Bowie No. 2 Mine <br />2009 Annual Hydrology Report <br />DH49 <br />• <br />B Gulch - Drill Hole <br />Pipe <br />Elevation - 7203.4 <br />Pipe <br />0.7' above ground <br />Depth - 324' <br />Initiated <br />6/12/1995 <br />6/12/1995 <br />6/12/1995 <br />6112/1995 <br />Activated <br />1 <br />3/30/1997 <br />3/30/1997 <br />3/30/1997 <br />3/30/1997 <br />Date <br />11/1912009 <br />9/29/2009 <br />6/9/2009 <br />4/20/2009 <br />Summary <br />Information <br />y "^ <br />Baseline <br />Operation <br />UNITS <br />Min Ave <br />Max <br />Min Ave <br />Max <br />Static Water Level Feet <br />100.84 <br />145.8 189.79 <br />0 203.7046 <br />294.67 <br />275.65 <br />294.67 <br />269.63 <br />270.99 <br />Water Elevation Feet <br />7013.6 7057.6 7102.6 <br />6908.7 6999.7 <br />7203.4 <br />6927.75 <br />6908.73 <br />6933.77 <br />6932.41 <br />FieldComment <br />ph su <br />7.1 <br />7.3 <br />7.5 <br />6.9 7.4 <br />8.2 <br />7.4 <br />7.3 <br />7.2 <br />7.5 <br />Conductivity umhos /cm <br />1220 <br />2028 <br />3300 <br />1140 3563 <br />4400 <br />4200 <br />4200 <br />4100 <br />4100 <br />Temperature Celsius <br />10 <br />11.9 <br />13.5 <br />10.8 13.01 <br />15.4 <br />13.11 <br />13.81 <br />13.6 <br />13.6 <br />UNITS <br />a., <br />Bicarbonate mg /L <br />496 <br />834 <br />1090 <br />496 1365.209 <br />1860 <br />1658.33 <br />1556.9 <br />Carbonate mg /L <br /><MDL <br /><MDL <br /><MDL <br /><MDL 9.73 <br />79.46 <br /><MDL <br />15.61 <br />Chloride mg /L <br />14 <br />15 <br />16 <br /><MDL 15 <br />25 <br />10.9 <br />1.78 <br />Conductivity umhos /cm <br />1250 <br />2023 <br />2470 <br />1160 3377.464 <br />4240 <br />4104 <br />3971.52 <br />Hardness mg /L <br />34 <br />300 <br />491 <br /><MDL 194 <br />463 <br />234.07 <br />163.89 <br />Nitrate - Nitrite mg /L <br />0.63 <br />1.0 <br />1.43 <br />0.41 3.87 <br />8.6 <br />7.54 <br />6.48 <br />Ammonia mg /L <br />0.14 <br />1.9 <br />3.8 <br /><MDL 1.53 <br />5 <br />0.18 <br />0.23 <br />pH su <br />7.1 <br />7.4 <br />7.7 <br />7.2 7.8 <br />8.7 <br />8.16 <br />8.37 <br />• <br />Phosphate mg /L <br /><MDL <br /><MDL <br /><MDL <br /><MDL 0.09 <br />0.17 <br />0.07 <br />0.17 <br />ResidueFilterable (TDS) mg/L <br />790 <br />1347 <br />1790 <br />700 2387 <br />3082 <br />2927 <br />2928 <br />Sulfate mg /L <br />216 <br />362 <br />470 <br />180 580 <br />793.56 <br />691.08 <br />655.68 <br />Arsenic mg/L <br /><MDL <br />0.001 <br />0.002 <br /><MDL 0.0333 <br />0.2190 <br />0.177 <br />0.018 <br />Cadmium mg /L <br /><MDL <br /><MDL <br /><MDL <br /><MDL 0.005753 0.03200 <br />0.02 <br />0.032 <br />Calcium mg /L <br />11 <br />62 <br />100 <br />6.92 42.8 <br />98.4 <br />34.7 <br />19.49 <br />Iron (Dissolved) mg/L <br />0.05 <br />0.4 <br />1.1 <br /><MDL 0.212708 <br />1.12 <br />0.05 <br />0.01 <br />Iron (Total) mg /L <br />0.2 <br />12.4 <br />29.4 <br />0.02 4.4228 <br />17.8 <br />0.64 <br />0.02 <br />Magnesium mg /L <br />1.6 <br />35.1 <br />58.6 <br />18.7 31.2 <br />52.9 <br />35.8 <br />27.98 <br />Manganese (Dissolved) mg /L <br /><MDL <br />0.038 <br />0.105 <br /><MDL 0.08 <br />0.35 <br />0.01 <br />0.02 <br />Manganese (Total) mg /L <br />0.007 <br />0.19 <br />0.308 <br /><MDL 0.85 <br />7.32 <br />0.04 <br />0.04 <br />Mercury mg /L <br /><MDL <br /><MDL <br /><MDL <br /><MDL 0.00008 0.00050 <br />0.00008 <br />0.00008 <br />Selenium mg /L <br /><MDL <br />0.003 <br />0.007 <br /><MDL 0.042647 <br />0.283 <br />0.158 <br />0.033 <br />Sodium mg /L <br />5.2 <br />230.7 <br />556 <br />109 829 <br />1490j <br />732.25 <br />1490 <br />Zinc I ma /L <br /><MDL <br />0.003 <br />0.01 <br /><MDL1 0.017 <br />0.040 <br />0.011 <br />0.01 <br />Drill Hole 49 is located just above Stevens Draw road approximately 1000 feet southwest of the mine portals. It is accessed by the <br />Stevens Draw road. <br />Baseline Information for Point DH-49 is derived from events beginning on 6/12/95 through 3/30/97. <br />Point influenced by mining on 3/30/97. <br />Figure No. 142 <br />