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Bowie Resources Limited <br />Bowie No. 1 Mine <br />2003 Annual Hydrology Report <br />P1401 <br />East Roatcap Creek -Pond 14-1 <br />Depth - 3' <br />Elevation •7800 <br />Surface Water <br />Initiated 11/30/1996 11/3011996 11/30/1996 11130/1996 <br />Activated 10/1/1997 10/111997 10/111997 10/1/1997 <br />Date 1212212003 9120/2003 6130/2003 4125/2003 <br /> <br />1/ I1 <br />u <br />Summary Information <br />F e&t'" <br />gamete" Baseline Operation <br />UNITS Min Ave Max Min Ave Max <br />Flow GPM 0.0 0.3 0.94 0.0 0.3 7.5 0 0 0 0 <br />Freeboard Feet 0.0 0.0 0 0.0 2.7 3 3 3 3 3 <br />Temperature Celsius 19.2 21.8 24.4 7.9 15.9 24.8 <br />Conductivi umhoslcm 160 350 540 140 244 440 <br />pH su 7.4 7.5 7.7 7.5 7.7 7.8 <br />Field Comments Dry D D D <br />Param rs UNITS <br />Bicarbonate m IL 90 90 90 85 85 85 <br />Carbonate mglL <MDL <MDL <MDL <MDL <MDL <MDL <br />Chloride mglL 3 3 3 2 2 2 <br />Conductivi umhos/cm 193 193 193 175 175 175 <br />Hardness mg/L 88 88 88 78 78 78 <br />pH su 7.4 7.4 7.4 7.2 7.2 7.2 <br />ResidueFilterable-TDS mg/L 120 120 120 90 90 90 <br />ResidueNOnFilterable-TS mg/L 28 28 28 <br />SAR 0.25 0.25 0.25 0.29 0.29 0.29 <br />Sulfate mg/L <br />Calcium (Dissolved) m 2 22.2 22.2 22.2 19.9 19.9 19.9 <br />Magnesium (Dissolved) mg/L 8.0 8.0 8 6.8 6.8 6.8 <br />Sodium (Dissolved) mg/L 5.5 5.5 5.5 5.8 5.8 5.8 <br />Potassium m /L 5.5 5.5 5.5 <br />TDS Ratio (grav./talc.) 1.22 1.22 1.22 <br />Thrs pond is /ountl in thick oak brush on a hillside antl measures approximately f 0' x 20'. (Hanna, 99) <br />Baseline Information for Point P1401 is derived from events beginning on 11/30/96 through 10/1/97. <br />Point in0uencetl by mining on 10/1/97. <br />Figure No. 78 <br />