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Bowie Resources, LLC Surface Water <br />Bowie No. 2 Mine <br />02008 Annual Hydrology Report NFG-up <br />North Fork - Drainage System <br />Elevation - 6880 <br />Initiated 9/30/1996 9/30/1996 9/30/1996 9/30/1996 9/30/1996 <br />Activated 3/31/1997 3/31/1997 3/31/1997 3/31/1997 3/31/1997 <br />Date 11/25/2008 9/22/2008 8/11/2008 6/18/2008 4/2212008 <br />Summary Information <br />e a Baseline Operation <br />P-aanir?-r= UNITS Min Ave Max Min Ave Max <br />Flow CFS 99 292 484 2720 110 217 160 2720 1510 <br />FieldComment <br />ph su 8.1 8.5 8.2 8.8 7.5 8.3 8.1 8.3 8.2 <br />Conductivity umhos/cm 160 167 t 160 270 270 200 130 50 130 <br />Temperature Celsius 3.6 7.3 13.7 O.2 11.1 22.2 0.8 14.2 18.9 11.7 6.8 <br />DO mg/L 9.1 11.7 10.1 7.6 8.1 8 9.7 <br />• <br /> <br />Baseline Information for Point NFG-up is derived from events beginning on 9/30196 through 3/31/97. <br />Point influenced by mining on 3/31/97. <br />Figure No. 123 <br />Field parameters, except flow in the Upper North Fork of the Gunnison River monitoring point are taken on the riverjust above its confluence with <br />Hubbard Creek. Flow data for the North Fork of the Gunnison river is obtained from USGS station #09132500.