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Bowie Resources Limited Surface Water <br />Bowie No. 2 Mine <br />2002 AnnualHydrology Report NFG-up <br />North Fork -Drainage System <br />Elevation - 5580 <br />Initiated 9/30/1996 9/30/1996 9/30/1996 9/30/1996 <br />Activated 3/31/1997 3/31/1997 3/37/1997 3/31/7997 <br />Date 11/22/2002 9/24/2002 6/24/2002 4/30!2002 <br />Summary Information <br />Baseline Operation <br />UNITS Min Ave Max Min Ave Maz <br />...._ <br />Flow <br />CFS <br />99 <br />292 <br />810 <br />63 <br />546 <br />2390 <br />57.00 <br />242.02 <br />441.03 <br />FieldComment Frozen <br />ph su 8.1 8.5 8.8 7.5 8.2 8.7 7.6 8.1 8.1 7.7 <br />Conductivhy umhos/cm 160 167 180 60 164 260 230 210 180 BO <br />Tem e2ture Celsius 3.6 7.3 13.7 0.6 11.7 19.5 3.9 16.2 16.4 8.4 <br />DO m /L 0.0 5.9 10.8 10.8 9.2 8.6 10.8 <br />1I 11 <br />u <br /> <br />Baseline Infomta8on for Point NFG-up is derivetl from events beginning on 9/30re6 Nrou9h 3/31187. <br />Poim innuenced by mining en 3/3157. Monitoring Point Table 84 <br />Revised 03/04 <br />Field parameters, except Raw rn the f/pperNORh Fork of fhe Gunrtrson Rrvermanrbdn9 point are taken on the dverjust above its cvrtRuence with <br />HubbaM Creek. Flow data for the Nonh Fork of the Gunnison river is obtained from USGS station #09132500. <br />