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Bowie Resources, LLC SurFace Water Bowie No. 2 Mine • 2005 Annual Hydrology Report Steph-low Stevens Draw -Drainage System Elevation - 7000' Initiated 9/27/1995 9/27/1995 9/27/1995 9/27/1995 Activated Date 12/15/2005 9/26/2005 6/28/2005 4/19/2005 Summary Information C~ • jp{'~`_ ~~ ~ =1`n~Y9~=aie~a Baseline Operation UNITS Min Ave Max Min Ave Max Flow GPM 0.00 0.36 1.58 0 0 0 0 FieldComment Damp No Flow Damp Damp h su 7.9 8.2 8.4 Conductivity umhos/cm 1020 1139 1310 Tem erasure Celsius 3.8 10.8 17.2 o s.. .r ~r~, ~~ `~ UNITS Bicarbonate mg/L 452 495 554 Chlodtle mg/L 14 18 20 Conductivity umhos/cm 1020 1093 1180 Hardness mg/L 343 382 433 Nitrate-Nitdte mg/L 0.02 0.20 0.97 Oil antl Grease mg/L <MDL 1 4 H su 8.0 8.2 8.3 Phosphate mg/L <MDL <MDL <MDL ResitlueFilterable-TDS mg/L 860 718 780 ResidueNOnFilterable-TSS mg/L <MDL 21 58 SAR <MDL 2.28 3.22 Sulfate m /L 150 170 190 Aluminum mg/L 0.05 0.53 1.71 Arsenic mglL <MDL 0.001 0.002 Catlmium mg/L <MDL <MDL <MDL Calcium mglL 49.4 59.8 72.4 Co er m /L <MDL 0.002 0.010 Iron (Total) mg/L 0.27 0.82 2.57 Leatl mg/L <MDL <MDL <MDL Magnesium mg/L 41.3 55.9 66.2 Man anese o[al mg/L 0.070 0.211 0.588 Mercu mg/L <MDL <MDL <MDL Mol ebdenum mg/L <MDL <MDL <MDL Selenium mg/L <MOL 0.0002 0.001 Sodium m /L 99.8 120.0 152.0 Zinc mg/L <MDL 0.01 0.03 The area of concern for monitoring point Steph-low has not been affected by the mining operetlon. Therefore, all recorded monitoring events are considered Baseline. The monitoring point location /or Lower Stevens Draw is located in Stevens Draw, just below Pond 1 and Spring 14. It is accessed by a southern fork of the Stevens Draw road. Baseline Information ColleMion Initialed on 927/95 and not yet consideretl complete. Point Steph-low has not been inFlUencetl by mining. Figure No. 123