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a <br />Bowie Resources, LLC <br />Bowie No. 1 Mine <br />2009 Annual Hydrology Report <br />• <br />SW06 <br />East Roatcap Creek - Downstream <br />Elevation - 6740 <br />0 <br />Surface Water <br />Initiated 1/1/1983 1/171983 1/1/1983 1/1/1983 111/1983 1/111983 1/1/1983 1/1/1983 1/1/1983 111/1983 1/1/1983 <br />Activated 12/21/1986 1212111986 12/21/1986 12/21/1986 12/21/1986 12121/1986 12/21/1986 12/21/1986 12/21/1986 12/21/1986 12121/1986 <br />Date 12/18/2009 11/11/2009 10/12/2009 9/18/2009 8/19/2009 7/21/2009 6124/2009 6112/2009 5/23/2009 4/21/2009 3/20/2009 <br />Summary Information <br />TI <br />C <br />1 <br />Z <br />Q <br />N <br />N <br />Field <br />Parameters Baseline Operation <br />UNITS Min Ave Max Min Ave Max <br />Flow CFS 0.000 4.649 45.750 0.00 1.22 16.38 0.000 0.000 0.000 0.000 0.000 0.078 0.146 0.552 0.615 9.133 0.891 <br />Water Level in Flume Feet 0.00 0.25 1.22 0 0.001 0 0 0 0.04 0.06 0.14 0.15 0.84 0.19 <br />Temperature Celsius 0.5 10.0 21.1 0.03 9.73 25.50 7.4 14.6 12.6 10.7 12.1 4.7 4.4 <br />Conductivity umhos/cm 60 277 691 30 645 1650 1260 650 480 300 290 80 220 <br />H su 6.5 8.3 9.2 6.7 8.3 9.0 8 8.8 7.4 7.5 8.4 8.3 7.4 <br />Field Comments No Flow 0.83 m D D D <br />Lab <br />Parameters <br />UNITS <br />Bicarbonate mg/L 60 155 289 61.00 250.13 440.00 409.44 167.83 101.45 <br />Carbonate <MDL 1 7.1 <MDL 5.49 52.00 <MDL <MDL <MDL <br />Chloride 1 5 10 <MDL 15.43 68.00 21.8 2.76 32.7 <br /> <br />Conductivity umho./cm <br />110 <br />275 <br />670 <br />124.0 <br />648.8 <br />1430.0 <br />1281.32 <br />386.31 <br />281.99 <br />Hardness j 58 158 291 54.00 290.03 697.00 648.97 155.82 124.71 <br />pH 6.8 7.9 8.4 6.50 8.11 8.60 8.23 7.75 7.54 <br />ResidueFilterable-TDS 40 180 380 50 446 1130 905 279 <br />203 <br />ResidueNonFilterable-TSS 18 104 524 <MDL 18 138 <MDL 34 22 <br />SAR 0.11 0.46 0.72 0.28 1.06 5.93 1.584 0.51 <br />Sulfate m /L 10 32 80 8.00 109.18 410.00 263.84 1976 24.28 <br />Calcium (Dissolved) m /L 15 37 69 10.5 60.0 125.0 96.3 37.5 24.3 <br />Magnesium Dissolved m L 4 14 29 4.7 34.1 99.2 99.2 15.1 15.55 <br />Sodium (Dissolved) mg/L 2 14 28 5.00 44.61 196.00 94.1 15.1 14.78 <br />TDS Ratio (rav./calc.) <MDL 0.98 1.50 0.92 1.08 0.95 <br />S K106 is located on East Roatcap Creek in the NE114SWI14 Sec 23, T13S, R92W of the 6th P.M. A 36" Parshall flume was also installed at this location. <br />Baseline Information for Point SW06 is derived from events beginning on 1/1/83 through 12121/86. <br />Point influenced by mining on 12121186.