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<br />Bowie Resources Limited <br />Bowie No. 1 Mine <br />2002 Annual Hydrology Report <br />P1002 <br />East Roatcap Creek -Pond 10-2 <br />Depth - 3' <br />Elevation -8630 <br />Surface Water <br />Initiated 10/1/1991 10/1/1991 10/1/1991 10/1/1991 <br />Activated 10/111993 10/1/1993 10/1/1993 10/1/1993 <br />Date 12/12/2002 9/29/2002 6/27/2002 4/30/2002 <br />r~ <br />`~ <br />Summary Information <br /> Baseline Operation <br />UNITS Min Ave Max Min Ave Max <br />Flow GPM 0.0 0.6 0.8977 0.0 13.3 78.75 0 0 2.5 2.5 <br />Freeboard Feet 0.0 0.0 0 0.0 0.3 3.15 3.15 2.62 0 0 <br />Temperature Celsius 0.7 12.7 24.5 11.6 24.1 7.1 <br />Conductivity umhos/cm 120 126 130 60 198 510 290 90 210 <br />pH su 5.8 8.0 9.8 8 7.7 7.7 <br />Field Comments Dry <br /> UNITS <br />Bicarbonate mg/L 48.0 70.3 108 69 <br />Carbonate mg/L <MDL 0.0 0 <MDL <br />Chloride mg/L 1.0 50.0 210 2 <br />Conductivi umhos/cm 91.0 115.0 144 126 <br />Hardness mg/L 43.0 58.4 71 59 <br />pH su 6.8 7.6 8.2 7.5 <br />ResidueFilterable-TDS m /L 50.0 84.2 130 100 <br />ResidueNonFilterable-TS m /L 6.0 22.3 48 24 <br />SAR 0.1 0.2 0.23 0.18 <br />Sulfate mg/L cMDL 8.0 12 <MDL <br />Calcium (Dissolved) mg/L 11.6 16.9 24.7 16 <br />Magnesium (Dissolved) mg/L 3.5 6.1 10.5 4.7 <br />Sodium (Dissolved) mg/L 2.1 3.5 5.5 3.3 <br />TDS Ratio (grav./talc.) <MDL 0.7 1.49 1.49 <br />Pond 10.2 is a man made pond (approximately 30' x 20) with an earthen berm on the south side. The pond is located in the NW1/4SE7/4 <br />of Section 10, T13S, R92 W The source of the water for this point is from both runoff and the Ovedand Ditch via natural drainage. <br />(Simon Hydro Search, 92J <br />Baseline Information for Point P7002 is derived from events beginning on 10/1/91 through 10/1/93. <br />Point influenced by mining on 10/1/93. <br />Monitoring Point Table 36 <br />(Revised 03/04) <br />