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Bowie Resources, LLC Surtace Water <br />Bowie No. 1 Mine <br />• 2006 Annual Hydrology Report 51010 <br />East Roatcap Creek -Spring 10-10 <br />Elevation - 8650 <br />Initiated 8/1/1992 6/1/1992 8/1/1992 6/1/1992 <br />Activated 10/1/1993 10/1/1993 10/1/1993 10/111993 <br />Date 11/10/2006 9/25/2008 8/20/2006 4/14/2006 <br />Summary Information <br />Fe1'rf`_ -~: <br />Parameters - Baseline Operation <br />UNITS Min Ave Max Min Ave Max <br />Flow GPM 0.0449 0.20 0.45 0 1.06 18.80 0 0 0 0 <br />Temperature Celsius 5.0 12.9 23.2 <br />Contluctivi umhos/cm 180 188 215 70 238 470 <br />pH su 8.8 7.75 8.30 <br />Field Comments No Flow No Flow No Flow No Flow <br />Lab - <br />Parameters :- - <br />UNITS <br />Bicarbonate m /L 45 78 110 <br />Carbonate mg/L <MDL <MDL <MDL <br />Chlodde mglL 2 2 2 <br />Conductivity umhos/un 87 149 210 <br />Hardness mg/L 43 71 99 <br />H su 7.8 7.9 8.0 <br />ResidueFilterable-TDS mg/L 80 92 104 <br />ResidueNonFilterable-TSS mg/L 18 18 18 <br />SAR 0.19 0.20 0.22 <br />Sulfate mg/L 6 6 6 <br />Calcium Dissolved) m /L 10.8 16.9 23.0 <br />Ma nesium Dissolved m IL 3.8 6.9 10.0 <br />Sodium (Dissolved) mg/L 2.9 4.0 5.0 <br />Potassium mglL <br />TDS Ratio (grav./talc.) <br />Sphng 10.10 is located in the N W7/4SE7/4 0/Section 10, T735, R92 W This spdng was not observed to be developed. <br />':4 small seep occurs along thejeep frail between Ponds f0-2 and Pond 10.3 of an elevation of approximately 8560 feet. Fbw was <br />observed but too low to measure or sample. Vegetation consisted o/green mosses and gresses."(Simon Hydm Search, 92) <br />Baseline Information for Point S1010 is derived from events beginning on 6/1/92 through 1111/93. <br />Poinl influenced by mining on 10/1/93. <br />Figure No. 30 <br />