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Bowie Resources, LLC Surface Water <br />Bowie No. 2 Mine <br />. 2006 Annual Hydrology Report NFG-low <br />North Fork -Drainage System <br />Elevation - 6680 <br />Initialed 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 3/3V1997 <br />Date 11282008 9/142008 8222006 8/14/2006 3292006 <br />Summary Information <br />Baseline Operation <br />UNITS Min Ave Max Min Ave Max <br />Flow CFS 99 292 610 53 446 2390 109 159 260 764 202 <br />FieldCOmment <br />ph su 8.1 8.4 8.7 7.8 8.3 8.8 8.2 8.5 8.4 8.7 8.2 <br />Conductivity umhos/an 160 160 200 50 176 290 160 250 210 90 140 <br />Tem erature Celsius 4.0 B.5 14.8 0.3 11.7 22.3 4.8 16.6 17.5 13.5 10.0 <br />DO m L 0.0 7.6 11.5 9.8 7.8 6.2 9.1 6.6 <br />Baseline Infortnalion for Point NFG-low is tlerivetl from events beginning on 9130/98 through 3r31/BT. Point in9uencetl by mining on 3/31/97. <br />Figure No. 120 <br />Field parameters, except flow, /or the Lower North Fodr o/ the Gunnison Po'ver are taken on the over approximately f500' below the confluence of <br />Terror Creek and the North Fork of the Gunnison. Flow data !or the North Fork of the Gunnison over isobtained /rom USGS station #09132500. <br />