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Bowie Resources, LLC Bowie No. 2 Mine 2004 Annual Hydrology Report S-5 Sheep Corral -Spring 5 Elevation - 7800 Surface Water Initiated 6/1211995 6/12/1995 6/1211995 6/12/1995 Activated 12112001 12!12001 12/i2001 12/12001 Date 11116/2004 9130/2004 6/212004 4/12004 I~ Summary Information Baseline ~ Operetion UNITS Min Ave Max Min Ave Max Flow GPM 0.00 0.27 0.80 0.02 0.42 1.50 0.02 0.13 0.2 1.5 FieldComment ph su 7.2 7.6 8.1 7.1 7.3 7.7 7.1 7.2 7.3 7.4 Conductvty umhos/cm 190 332 400 340 362 380 360 370 370 340 Temperature Celsius 4.0 7.2 11.8 5.1 6.8 8.9 5.9 7.8 7.5 5.1 UNITS Bicarbonate mg/L 188 191 193 Chloride mg/L 2 2 2 Conductivity umhoslcm 406 407 407 Hardness mglL 113 118 123 Nitrate-Nitrite mglL <MDL 0.08 0.15 Oil and Grease mg/L <MOL <MDL <MDL pH su 6.90 7.00 7.10 Phosphate mglL <MDL <MDL <MDL ResidueFilterable-TDB mglL 220 225 230 ResidueNonFilte2ble-TS mglL <MDL 14 28 SAR 1.51 1.52 1.53 Sulfate mglL 17 23 29 PJuminum mglL <MDL 0.16 0.32 Arsenic mglL <MDL 0.001 0.001 Cadmium mglL <MDL <MOL <MDL Caltlum mg/L 34.00 35.55 37.10 Copper mg/L <MDL <MDL <MDL Iron (Total) mglL 0.00 0.32 0.64 Lead ~ mglL <MDL <MDL <MDL Ma nesium mglL 6.70 7.00 7.30 Manganese (Total) mg/L 0.017 0.027 0.037 Mercury m <MDL <MDL <MDL Molyebdenum mglL <MDL <MDL <MDL Selenium mglL <MDL <MOL <MDL Sodium mglL 36.50 37.45 38.40 Lnc ' mglL <MDL 0.005 0.010 The monitodng point location for SS is bcate along an unmapped road which leads down an un-named gulch which leads Into Sheep Corral Gulch. This sprang feeds Pond 5. Baseline Infortnatbn for Point S-5 i5 derived from events beginning on 6/12/95 through 12/1/01. Point influexed by mining on 12/1/01. Figure No. 17