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1I 11 u Bowie Resources, LLC Bowie No. 2 Mine 2005 Annual Hydrology Report S-5a Sheep Corral -Spring SA Elevation - 7860 Surtace Water Initiated 9/27/1995 9/27/1995 9/27/1995 9/27/1995 Activatetl 12/1/2001 12/1/2001 12/1/2001 12/1/2001 Date 12/27/2005 9/27/2005 6/29/2005 4/19/2005 • • Summary Information 1111 § ~ ~ ?;-"~~( ,~ ' Baseline Operation UNITS Min Ave Max Min Ave Max Flow GPM 0.13 0.89 4.30 0.02 0.55 1.90 0.15 0.21 0.5 1.3 FieldComment h su 6.9 7.4 8.0 7.0 7.2 7.6 7.1 7.2 7.6 7.5 Conductivity umhos/cm 160 301 400 340 384 420 400 420 340 350 Temperature Celsius 4.0 8.7 9.1 5.1 6.6 7.8 6.8 7.4 7.6 5.1 1~f~ ~~ ;~:d14 _ t ~- ~ ~ UNITS Bicarbonate m /L 184.00 185.00 186.00 Chlontle mg/L 2.00 2.00 2.00 Conductiviy umhos/cm 388 391 393 Hardness mg/L 125.00 128.00 131.00 Nitrate-Nitrite mg/L <MDL 0.03 0.05 Oil antl Grease m /L <MDL <MDL <MDL H su 6.90 7.40 7.90 Phosphate mg/L <MDL <MDL <MDL ResidueFilterable-TDS m /L 190.00 205.00 220.00 ResidueNonFilterable-TSS mg/L <MDL 17.00 34.00 SAR 1.10 1.11 1.12 Sulfate m /L 21.00 25.00 29.00 Aluminum mg/L <MDL 0.34 0.89 Arsenic mg/L <MDL <MDL <MDL Cadmium mg/L <MDL <MDL <MDL Calcium mglL 37.80 38.70 39.60 Co er m /L <MDL <MDL <MDL Iron (Total) mg/L 0.02 0.48 0.95 Lead mg/L <MDL <MDL <MDL Magnesium mg/L 7.50 7.70 7.90 Man anese otap m /L <MDL 0.019 0.037 Mercu m /L <MDL <MDL <MDL Molyebdenum m /L <MDL <MDL <MDL Selenium mg/L <MDL <MDL <MDL Sodium mg/L 28.10 28.60 29.10 Zinc m /L 0.02 0.02 0.02 The monitohng point location ror S-Sa is bcafed along an unmapped mad which is down an un-named gulch which leatls into Sheep Corral Gulch. This spdn9 )eeds Pond 5. Baseline Information for Point S-5a is derived from events beginning on 9/27/95lhrough 12/1/01. Point inFlUenced by mining on 12/1/01. Figure No. 19