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Bowie Resources, LLC <br />Bowie No. 1 Mine <br />40 2008 Annual Hydrology Report <br />P1003 <br />East Roatcap Creek - Pond 10-3 <br />Depth - 3' <br />Elevation -8680 <br />Surface Water <br />Initiated 10/1/1991 10/1/1991 10/1/1991 10/1/1991 <br />Activated 11/1/1993 11/1/1993 11/1/1993 11/1/1993 <br />Date 11130/2008 8/19/2008 6/27/2008 5/15/2008 <br />Summary Information <br />Baseline Operation <br />I.IITC ?A:.. A- RA- AAin A- RA- <br />Flow GPM 0.0 0.7 2.5391 0.0 5.0 26.25 1.07 1.25 0.94 3.75 <br />Freeboard Feet 0.0 0.0 0 0.0 0.2 2.68 0 0 0 0 <br />Temperature Celsius 0.5 11.0 24.3 1.4 8.3 14.6 11.1 <br />Conductivity umhos/cm 80 123 155 70 144 460 110 100 80 120 <br />PH su 7.2 7.9 8.7 7.8 7.9 8.1 8 <br />Field Comments <br /> Bicarbonate mg/L 46 64 114 50.12 <br /> Carbonate mg/L <MDL <MDL <MDL <MDL <br /> Chloride mg/L <MDL 2 4.53 3.66 <br /> Conductivity umhos/cm 95 126 222 95.3 <br /> Hardness mg/L 30 59 111 49.21 <br /> H su 6.6 7.5 8.2 7.75 <br /> ResidueFilterable-TDS mg/L 28 88 160 84 <br /> ResidueNonFilterable-TSS mg/L 10 40 184 29 <br />• SAR 0.14 0.20 0.311 0.194 <br /> Sulfate mg/L <MDL 11.9 30 3.29 <br /> Calcium (Dissolved) mg/L 5.0 13.8 20.7 11.99 <br /> Magnesium (Dissolved) mg/L 3.9 5.4 10.1 4.68 <br /> Sodium (Dissolved) mg/L 2.3 3.4 5.8 3.14 <br /> TDS Ratio (orav./talc.) 0.33 1.09 1.41 1.09 <br />Pond 10-3 is a man made pond (approximately 50'x 309 with an earthen berm located on the south and southeast sides. The pond is <br />located on the SW114NE114 of Section 10, T13S, R92W. Source of surface wateris from the Overland Ditch via both natural and man <br />made drainages. (Simon Hydro Search, 92) <br />r ? <br />?J <br />Baseline Information for Point P1003 is derived from events beginning on 1011/91 through 11/1/93. <br />Point influenced by mining on 11/1/93. <br />Figure No. 27