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~~ Bowie Resources Limited Bowie No. 2 Mine 2002 Annual Hydrology Report C-Gulch-lo Drainage System Elevation - 5960 Surface Water Initiated 2/28/1995 2/28/1995 2/28/1995 2/28/1995 Activated 3/30/1997 3/30/1997 3/30/1997 3/30/1997 Date 11/23/2002 9/24/2002 6/24/2002 4/30/2D02 Summary Information ~~ 1 ~ '~ ~m~: P..arame ers'° `~ ' ... Baseline Operation UNITS Min Ave Max Min Ave Max Flow GPM 0 0 0 0.0 13.3 240.0 0.00 240.00 5.60 3.60 FieldComment Dry ph su 7.0 8.1 8.9 8 8 8 ConduGivit umhos/cm 550 3542 6400 3400 2100 3800 Temperature Celsius 0.2 10.9 192 13.7 19.2 9.1 '~b - ~,"[ ine firs - UNITS Bicarbonate m /L 433 511 608 525 Chloride mg/L 54 106 283 85 Conductivity umhos/cm 2050 4403 9300 2050 Hardness mg/L <MDL 1680 3970 269 Nitrate-Nitrite mg/L 0.05 3.09 12.40 11.6 Oil & Grease mg/L <MDL <MOL <MDL <MOL pH su 7.5 8.1 8.8 8.8 Phosphate mg/L <MDL 0.68 4.65 4.65 ResidueFilterable-TDS mg/L 1390 4329 9750 1390 ResidueNonFilterable-TS mg/L <MDL 331 1420 1420 SAR <MDL 429 10.30 9.96 Sulfate mg/L 260 2413 6460 260 Aluminum m /L <MDL 3.35 15.30 15.3 Arsenic mg/L <MDL 0.001 0.003 0.003 Cadmium mg/L <MDL <MDL <MDL <MDL Calcium mg/L 61 237 364 60.9 Copper mg/L <MDL 0.005 0.050 0.05 Iron (Total) mg/L 0.07 2.96 10.50 10.5 Lead m /L <MDL 0.0034 0.0240 0.024 Magnesium mg/L 48 299 770 47.7 Manganese (Total) mg/L <MDL 0.07 0.18 0.101 Mercury mg/L <MDL 0.0000 0.0002 <MDL Malyebdenum m /L <MDL <MDL <MDL <MDL Selenium mg/L 0.001 0.015 0.120 0.001 Sodium m /L 225 585 1460 225 Zinc mg/L <MDL 0.04 0.19 0.19 The Lower C Gulch monitoring point is just above Setliment Pond C. All C Gulch flow is contained in Pond C. This point exhibited no flows before the construction of the mine. The mine construction and now the mine operation provide flow to this point. Baseline Information (or C-Gulch-lo is tledved from events beginning on 2128/95 through 3/30/97. Point influenced by mining on 3/30/97. Monitoring Point Table 62 Revised 03/04