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Bowie Resources, LLC Surtace Water <br />Bowie No. 1 Mine <br />2006 Annual Hydrology Report S1404 <br />• West Roatcap Creek -Spring 14d <br /> Elevation - 7480 <br />Initiated 122/1998 12/2/1996 12/2/1998 12/2/1996 <br />AcBvatetl 11/22/1998 11/22/1998 11/22/1998 11/22/1998 <br />Date 11/10/2006 9/25/2006 6/19/2006 4/14/2006 <br />Summary Information <br />p-field[. -- <br />Paramefers --: ~ Baseline Operation <br />UNITS Min Ave Max Min Ave Max <br />Flow GPM 0 1.51 5.00 0 0.27 3.00 0 0 0.25 1.07 <br />Temperature Celsius 4.4 8.7 12.4 0.5 9.2 20.1 9.4 8.8 <br />Conduc[ivi umhas/cm 760 883 1000 870 869 960 820 790 <br />pH su 8.8 7.3 7.6 7.0 7.3 7.7 7.4 7.2 <br />Field Comments Slight Seep Large Seep <br />Lab <br />Parameters ~ - - - <br />UNITS <br />Bicarbonate m /L 352 354 355 373.33 386 402 373.33 <br />Carbonate mg/L <MDL <MDL <MDL <MDL <MDL <MDL 0 <br />Chlodtle mg/L 19 20 21 4.93 21 28 4.93 <br />Conductivity umhos/cm 780 800 819 820 913 979 926.4 <br />Hartlness mg/L 398 401 404 348 391 455 409.35 <br />H su 8.0 8.0 6.0 7.3 7.8 6.3 8.25 <br />ResidueFilterablrTOS mg/L 480 490 500 460 590 641 641 <br />ResidueNOnFilterablrTSS m /L 6 7 B <MDL 38 66 31 <br />SAR 0.93 0.96 0.98 0.98 1.10 1.41 1.41 <br />Sulfate mglL 80 80 80 30 100 130 90.96 <br />Calcium Dissolved m /L 101 104.0 107 86.8 99.6 114 107.7 <br />Ma nesium Dissolvetl m /L 33.3 34.4 35.4 31.9 34.8 41.3 34.1 <br />Sotlium (Dissolved) mg/L 42.5 43.6 44.7 42.4 49.9 65.7 65.7 <br />Potassium mglL 2.3 2.3 2.3 1.5 1.5 1.5 <br />TDS Ratio (grav./talc.) 1.01 1.01 1.01 0.95 1.03 1.13 0.95 <br />This spring is a marshlike area of about 20' x 20'. (Hanna, 99) <br />Baseline Information for Point 51404 is tlerived from events beginning on 122/96 through 11/22/98. <br />Point inFluenced by mining on 11/22/98. <br />Figure No. 32 <br />