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Bowie Resources Limited Surface Water <br />Bowie No. 1 Mine <br />2004 Annual Hydrology Report P1108 <br />Steven's Gulch -Pond 11-8 <br />• Depth - 3' <br />Elevation -7870 <br />Initiated 5/14/97 5/14!97 5/14/97 5/14/97 <br />Activated <br />Date 12127/04 9/14/04 6/29/04 4/26104 <br />Summary Infonna6on <br />I • <br />11 11 <br />u <br /> Baseline Operetion <br />UNITS Min Ave Max Min Ave Max <br />Fbw GPM 0.0 2.0 22.5 0 0 0 0 <br />FreeboaM Feet 0.0 2.0 3 3 3 3 3 <br />Temperature Celsius 0.2 11.3 19.2 <br />Conductivity umhos/an 350 693 790 <br />pH su 8.0 8.4 8.8 <br />Field Comments No Flow Damp Empty Emp <br /> UNITS <br />Bicadwnate m 275 292.5 310 <br />Carbonate mglL <MDL 10 20 <br />Chbdde mglL 10 10 10 <br />Conduce ' umhoslan 677 703 729 <br />Hardness mglL 167 205 243 <br />pH su 8.4 8.45 8.5 <br />ResidueFitte261e-TDS mglL 400 400 400 <br />ResidueNonFitterable-TS mglL 10 10 10 <br />SAR 2.47 2.55 2.63 <br />Sulfate mglL 70 85 100 <br />Calcium (Dissolved) m 41.9 51.45 61 <br />Magnesium Dissolved) mglL 15.1 18.5 21.9 <br />Sodium Dissoved) mg!L 72.5 82.75 93 <br />Potassium mg/L 2.1 2.1 2.1 <br />TOS RaOo rev./talc.) 0.84 0.84 0.84 <br />The area of concern for monitoring point P1108 has not been affected by the mining operation. Therefore, all recorded <br />monitoring events are considered Baseline. <br />This pond is round where a guldr opens upon a meadow and measures approximately 50' x 70'. (Hanna, 99) <br />Baseline Information Collection initiated on 5/14/97 and not yel considered complete. <br />Point P7108 has not been influenced by mining. <br />Figure No. 76 <br />