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STATE OF COLQRADO <br />DIVISION OF MINERALS AND GEOLOGY <br />Deparlmenl of Natural Resources <br />1313 Sherman St., Room 215 <br />Denver, Colorado 80203 <br />DIVISION OF <br />Phone: 1303) 866-3567 MINERAL S <br />FAX: (303)832-8106 $c <br /> GEOLOGY <br /> REC LA MATIQN <br />MINING•SA FETY <br />INTERNAL MEMO ~° <br />° <br />_ <br /> ~ <br />~~~ <br /> Greg E Watcher <br /> Execwne Direao. <br /> Michael B. LOng <br /> Drvaion Dueaor <br />TO: Dan Mathews 25 May 2000 <br />G <br />FROM: Jim Burne v''` <br />SUBJ: Annual Hydrology Report for McClane and Munger Mines <br />Dan, <br />1 have completed review of the 1999 Annual Hydrologic Report for the McClane and Munger <br />Mines. <br />The reports aze complete, except for the noted absence of analyses from one sampling event, as <br />you pointed out. There is one question that stands out. On figure 3, map of mine workings for <br />McClane, what does the blue stippling refer to? This is not included in the key. Of course, the <br />blue color immediately makes one think of water, but with as little inflow as is occurring <br />(<4 gpm), that doesn't seem logical. <br />The Hydrology Task Force has been discussing the fact that, in general, we need to make certain <br />that each mine runs analyses for all the constituents specified in the receiving stream standards <br />for each location. Since no standazds are published for Salt Creek, the suite of analyses <br />performed by Lodestaz Energy fur these mines seems fine for now. <br />If you have any questir-;~~ne a call. <br />~ _i <br />