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i • <br />Bowie Resources, LLC <br />Bowie No. 1 Mine <br />2009 Annual Hydrology Report SWO6 <br /> Steven's Gulch <br /> Elevation - 6600 <br />!; <br />Surface Water <br />Initiated 111/1983 1/1/1983 1/1/1983 1/1/1983 111/1983 111/1983 1/111983 1/111983 1/1!1983 1/111983 1/1!1983 <br />Activated 12/21/1986 12/21/1986 12/2111986 12/21/1986 12121/1986 12/21/1986 12/2111986 12121/1986 12121/1986 12/2111986 12121/1986 <br />Date 12117/2009 11/11/2009 10/1212009 9/1812009 8/1912009 7/2112009 6/24/2009 6112/2009 512312009 4121/2009 3120/2009 <br />Summarv Information <br />TI <br />(Q <br />c <br />(D <br />Z <br />O <br />N <br />1 <br />Field <br />Parameters Baseline Operation <br />UNITS Min Ave Max Min Ave Max <br />Flow 0 3.1 0.00 1.57 30.13 0.000 0.000 0.000 0.000 0.000 0.000 0.378 0.434 0.492 3.317 0.965 <br />Water Level in Flume Feet 0.00 0.09 1.06 0 0.001 0.001 0.001 0.001 0.001 0.11 0.12 0.13 0.44 0.2 <br />Tem erature : -0.5 10.8 d23.7 0.0 10.0 23.6 6.8 9.5 14.7 15.4 18.3 17.2 13.3 12.7 10.3 8.9 <br />Conductivity cm 170 746 40 534 2000 1010 940 820 350 770 210 240 250 120 230 <br />H 7.3 8.5 6.9 8.3 9.0 8.2 8.3 8.7 8.5 8.5 7.9 8 7.8 7.7 7.4 <br />Field Comments No Flow 0.68 m 0.34 m 0.22 m 0.94 m 0.31 m <br />Lab <br />Parameters <br />UNITS <br />Bicarbonate 89 302 456 83 219 328.85 147.67 125.38 109.26 <br />Carbonate <MDL 1 7 <MDL 2.97 12.65 <MDL <MDL 3.9 <br />Chloride 2 16 31 <MDL 13.34 32.7 2.77 2.43 10.9 <br />Conductivity flumhos/cm 170 734 1290 149 588 1054.68 395.57 310.03 319.65 <br />Hardness 72 312 534 58.2 244.2 558.29 140.38 121.85 182.16 <br />pH 6.8 8.1 8.7 7.2 8.1 8.43 7.97 7.55 8.19 <br />ResidueFilterable-TDS 120 488 794 120 403 t 748 320 214 231 <br />ResidueNonFilterable-TSS mg/L 2 77 438 <MDL 29 <MDL 32 41 28 <br />SAR 0.56 1.14 1.60 0.27 1.07 1.39 0.877 0.27 0.626 <br />Sulfate m /L 14 131.5 338.0 <MDL 106.32 211.15 40.37 16.05 32.93 <br />Calcium Dissolved m L 19 71.8 110.0 9.6 55.6 115.4 36.1 30 49.4 <br />Ma nesium Dissolved m L 6 32.1 66.0 7.2 26.2 65.6 12.2 11.4 14.28 <br />Sodium (Dissolved) mg/L 11 47.8 85.0 8.0 41.1 76.6 23.9 16.8 19.27 <br />TDS Ratio ( rav./calc. 0.89 17 0.9 1.22 1.06 0.98 <br />The Stevens Gulch stream gauge, S 1N05, is located near Bowie No. 1 mine's timber storage area in the NE114NW114, Sec 25, T13S, R92W, of the 6th P.M. A 36" Parsha/l flyme <br />was installed at this location. <br />Baseline Information for Point SW05 is derived from events beginning on 1/1183 through 12/21/86. <br />Point influenced by mining on 12/21186.