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.. ~~ <br />STATE OF COLORADO <br />DIVISION OF MINERALS AND GEOLOGY <br />Department of Natural Resources <br />1313 Sherman St., Room 21 s C O LO RA D O <br />Denver, Colorado 80203 DIVISION O F <br />Phone: (303) 8663567 MIN &RA L S <br />FAX: (303) 832.8106 <br />INTERNAL MEMO G E O L O G Y <br />TO: Dan Mathews ~~ ~~..~~ 6 Feb 2004 <br />FROM: Jim Bumb>l~•ld'" <br />SUBJ: McClane an((dff _Munger Annuat Hydrology Report for WY 2003 <br />Dan, The review is complete for the McClane/Munger AHR for WY2002. <br />Overall, the report indicates that there has been very little in the way of impact from the <br />mining activity on the groundwater or surface water resources around the mines. <br />The minewater had lower total dissolved salt (TDS) content than East Salt Creek during <br />the 151 quarter sampling. [n the 2"d quarter, the TDS value was elevated slightly <br />downstream of the McClane Canyon Mine but was still faz below the baseline value for <br />Fast Salt Creek. <br />ggi owns <br />Gwemor <br />Greg E. WaWrer <br />Executive Dlrecta <br />Ronald W. C~vny <br />Division Direcmr <br />Natural Rewwce Trustee <br />Groundwater analyses show that pH in the East Salt Creek alluvitun upgradient of the <br />mines was lower than that below, but the electrical conductivity (indicative of `IDS) was <br />lower downstream. <br />There was no indication of any impact from the mines. <br />cc: Sandy Brown <br />Ogtu of Office of Colorado <br />Mined land Reclamation ~ ~ Atlive and Inactive Mines Geological Survey <br />