Laserfiche WebLink
• <br />Bowie Resources, LLC <br />Bowie No. 1 Mine <br />2008 Annual Hydrology Report <br />0 <br />SW10 <br />Terror Ditch <br />Elevation - 6480 <br />• <br />Surface Water <br />Initiated 7/1/1983 7/1/1983 7/1/1983 7/1/1983 7/1/1983 7/1/1983 7/1/1983 7/1/1983 7/1/1983 7/1/1983 <br />Activated <br />Date 12/18/2008 11/1912008 10/17/2008 9/16/2008 8/152008 7/16/2008 6/21/2008 5128/2008 5/222006 4/1912008 <br />Summary Information <br />-n <br />C <br />(D <br />z <br />O <br />N <br /> Baseline Operation <br /> UNITS Min Ave Max Min Ave Max <br />Flow CFS 0 3.2 12.8 1.531 0.751 1.861 6.386 5.735 6.789 46747 6.386 4.988 1.861 <br />Water Level in Flume Feet 0 0.4 0.9 0.3 0.19 0.34 0.75 0.7 0.78 0.62 0.75 0.64 0.34 <br />Temperature Celsius 0.2 9.5 21.3 0.7 0.3 7.2 12.8 14 18.1 14.9 8.8 4.4 5.5 <br />Conductivity umhos/cm 20 139 970 190 170 150 90 80 100 100 50 40 80 <br />pH su 5.6 8.2 9.2 7.6 7.4 7.5 7.8 8 8.1 8.3 8.2 8.3 8.5 <br />Field Comments <br />ti <br />= UNITS <br />Bicarbonate mg/L 25.28 79.5 184.0 99.8 54.63 62.34 25.28 <br />Carbonate mg/L <MDL 0.3 7.1 <MDL <MDL <MDL <MDL <br />Chloride mg/L <MDL 2.2 6.5 6.23 4.83 2.51 1.48 <br />Conductivity umhos/cm 53.0 157.1 310.0 215.3 117.85 133.6 84.51 <br />Hardness mg/L 32.0 63.2 129.0 75.42 41.69 57.33 38.13 <br />pH su 6.9 7.7 8.3 8.07 7.7 7.36 7.749 <br />ResidueFilterable-TDS mg/L 50 114 214 162 85 116 59 <br />ResidueNonFilterable-TSS mg/L <MDL 29 136 8 4 23 29 <br />SAR 0.20 0.53 1.47 0.707 0.376 0.501 0.444 <br />Sulfate m /L <MDL 12.47 54.00 13.5 0.41 13.58 7.41 <br /> <br />Calcium (Dissolved) <br />mg/L <br />6.65 <br />15.60 <br />32.00 <br />16.5 <br />11.8 4 <br />12.52 <br />9.4 <br />Magnesium (Dissolved) mg/L 2.97 5.86 12.00 8.31 2.97 6.33 3.56 <br />Sodium (Dissolved) mg/L 3.00 9.83 23.00 14.11 5.67 8.75 6.32 <br />TDS Ratio (grav./talc.) <MDL 1.09 1.91 1.02 1.06 1.09 1.1 <br />The area of concern for monitoring point SW10 has not been affected by the mining operation. Therefore, all recorded <br />monitoring events are considered Baseline. <br />A stilling well and recorder were installed on a 30" Parshall flume on the Terror Ditch. This stream gauge is located in the NE114NE114, Sec 17, T1 3S, R91W of the 6th P.M. <br />Baseline Information Collection initiated on 7/1/83 and not yet considered complete. <br />Point SW10 has not been influenced by mining.