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<br />Bowie Resources, LLC <br />Bowie No. 2 Mine <br />2010 Annual Hydrology Report <br />B-Gulch-lo <br />Drainage System <br />Elevation - 6960 <br />Surface Water <br />Initiated 2/28/1995 2/28/1995 2/28/1995 2/28/1995 2/28/1995 <br />Activated 3/30/1997 3/30/1997 3/30/1997 3/30/1997 3/30/1997 <br />Date 12/9/2010 9/22/2010 9/8/2010 6/20/2010 3/30/2010 <br />UNITS <br />Summary Information <br />Baseline Operation <br />Min Ave Max Min Ave Max <br />Flow GPM 0 0 0 0.00 1.33 17.14 17.14 0 0 1.07 0 <br />FieldComment No Flow No Flow No Flow <br />ph su 6.5 7.8 8.8 7.2 6.8 <br />Conductivity umhos/cm 730 4279 9800 1460 2100 <br />Temperature Celsius 0.5 11.8 24.6 1.6 20.3 <br />• <br /> <br />The Lower B Gulch monitoring point is just above Sediment Pond B. All flows in this Gulch flow into this Sediment Pond. This point <br />exhibited no flows before the construction of the mine. The mine construction and now the mine operation provide flow to this gulch. <br />Baseline Information for B-Gulch-lo is derived from events beginning on 2/28/95 through 3/30/97. <br />Point influenced by mining on 3/30197. <br />Figure No. 81