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Bowie Resources, LLC <br />Bowie No. 1 Mine <br />• 2009 Annual Hydrology Report <br />SP1306 <br />Steven's Gulch - Pond Spring 13-6 <br />Depth 4' <br />Elevation - 7590 <br />Surface Water <br />Initiated 7/5/1983 7/5/1983 7/5/1983 7/5/1983 <br />Activated 1/1/1988 1/1/1988 1/1/1988 1/111988 <br />Date 11/28/2009 8/22/2009 6/24/2009 5/13/2009 <br />Field <br />Parameters UNITS <br />Summary Information <br />Baseline Operation <br />Min Ave Max Min Ave Max <br />Flow GPM 0 0.75 3.76 0 0.57 3.91 0 0 0 0.29 <br />Freeboard Feet 0 0.00 0 0 0.87 4 0.48 0.43 0 0 <br />Temperature Celsius 5 14.0 24 0.3 12.8 25.6 12.4 <br />Conductivity umhos/cm 611 787 916 330 504 760 610 <br />pH su 7.2 7.8 8.4 6.9 8.0 8.9 7.6 <br />Field Comments Seep Seep Seep <br /> Lab <br />Parameters <br />UNITS <br /> Bicarbonate mg/L 407 431 470 280 340 410 <br /> Carbonate mg/L <MDL <MDL <MDL <MDL 3 26 <br /> Chloride mg/L 5 9 12 2 6 8 <br /> Conductivity umhos/cm 650 729 868 491 596 752 <br /> Hardness mg/L 325 370 423 242 305 414 <br /> H su 7.6 7.98 8.3 7 7.9 8.6 <br /> ResidueFilterable-TDS mg/L 330 416 473 300 351 430 <br /> ResidueNonFilterable-TSS mg/L 4 22 40 6 26 76 <br /> SAR 0.59 0.71 0.92 0.35 0.43 0.60 <br /> Sulfate 29 42 58 10 38 200 <br /> Calcium (Dissolved) j 63 71.50 87 51.0 61.9 86.5 <br /> Magnesium (Dissolved) 39 46.50 50 28.0 36.7 48.0 <br /> Sodium (Dissolved) 27 31.50 40 13.0 17.6 23.0 <br /> Potassium rmng/L <MDL 1.50 6 <br /> TDS Ratio (grav./calc.) <MDL 0.77 1.08 <br />Spring and Pond 13-6 is a man made pond (approximately 25'x 25) and is fed by a spring located on the hillside above <br />the pond. (Gordon, 83) <br />11 <br />Baseline Information for Point SP1308 is derived from events beginning on 7/5/83 through 1/1/88. <br />Point influenced by mining on 1/1/88. <br />Figure No. 38