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I• Bowie Resources, LLC Bowie No. 2 Mine 2004 Mnual Hydrology Report Deer-low Canal -Deer Trail Ditch Elevation - 5920 Surface Water IniBated 6/1x1995 6/1x1995 6/1 x1995 6I1a1995 6/1x1995 amivatea 3/3onss7 3r3onss7 ar3onss7 3/3onss7 3r3ons97 Date 11/17/2004 9/28/2004 8242004 624/2004 3/19/2004 Summary Infarma6on • Baseline Operation UNITS Min Ave Max Min Ave Max Fbw GPM 0 8 32 0 6 73 0 0 0 0 0 FIeldComment No Fbw No Flow No Flow Dd in D su 6.8 8.3 9.0 8.1 8.5 9.2 Contluctlv' umhos/cm 80 276 638 80 184 260 Tem nature Celsius 4.9 13.1 21.2 3.1 12.7 21.5 DO m 0.0 3.7 10.7 0.0 4.8 9.3 UNITS Bicarbonate m 41 70 118 62 710 127 Chloride m cMDL 1 2 <MDL 2 4 Conduc8vi umlaslcm 97 148 238 112 238 308 Hardness m 48 67 96 46 92 111 Nitrate-Nitrite m <MDL 0.07 0.17 <MDL 0.01 0.04 Oil arW Grease m <MDL <MDL <MDL <MDL cMDL <MDL H su 7.5 7.8 8.0 7.7 8.1 8.6 Phos hate m <MDL 0.03 0.08 <MDL 0.02 0.08 ResidueFilleraMe-TDS m 30 93 150 80 150 180 ResidueNonFittemble-T m 6 101 286 <MDL 12 30 SAR 0.21 0.38 0.68 MDL 0.47 1.13 Sulfate m MDL 7 10 <MDL 12 20 Aluminum m 0.25 3.03 7.68 0.18 0.60 1.32 Arsenic m <MDL 0.001 0.002 <MDL 0.0003 0.0010 Cadmium m <MDL 0.001 0.003 <MDL MDL MDL CalGum m 13.4 18.8 26.8 13.0 25.7 31.1 Co r m <MDL <MDL <MDL <MDL <MOL MDL Iron atal m 2 0.45 3.83 9.79 0.26 0.62 1.01 Lead m <MDL <MDL <MDL <MDL 0.0004 0.0016 Ma nesium m 3.4 4.9 6.9 3.2 6.6 8.6 Ma anew otal m 0.012 0.075 0.193 0.010 0.024 0.059 Mercu m <MDL 0.0001 0.0002 <MOL MDL MDL Mo bdenum m <MDL <MDL <MDL <MDL <MDL MDL Selenium m <MDL <MOL <MOL <MDL 0.001 0.002 Sodium m 3.7 7.6 15.3 4.5 15.9 31.5 Zinc m 0.03 0.03 0.04 <MDL 0.01 0.02 The bwer end of Deer Trail Dih:h is rrwnR4ved of a point where the ddch empties info the Fire Mountain Canal. Baselire Irdormarxin for Point Deer4ow k derica0 from ever4s beginning on 6/14/95 draugh 3/3087. Poud YlAuancetl by mining on 3/30/97. Figure No. 104