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~bh ~r1M~ C!~ rv~ <br />corre~ G/ April 6, 2006 <br />Mr. Bruce Hunphries <br />Minerals Program Supervisor FiECE1~iED <br />Colorado Division of Minerals and Geology <br />1313 Sherman St. Room 215 ~(~.,`a.7 <br />Denver, CO. 80203 / <br />C/ ~I~lan of MMaah and Oeobpy <br />Re: Permit No. M-1984=014, JD-8 Mine-DMO Designation <br />Dear Mr. Humphries, <br />This is written to inform the Division that Cotter intends to continue evaluation of <br />groundwater conditions at its TD-8 Mining Operation in order to further support its belief <br />that the JD-8 operation does not constitute a designated mining operation. In this regard, <br />Cotter intends to conduct drilling efforts and, as necessary, install a well or wells in the <br />Entrada and Kayenta geological formations. The purpose of this exercise will be <br />twofold. First, the drilling will aid in establishing whether water is actually encountered <br />in these formations and concurrently whether a true aquifer exists. Second, if water is <br />encountered, a monitoring well or wells will be installed in order that samples of the <br />water can be collected and analyzed to determine the chemical characteristics and metals <br />content within 'the water at that location. <br />In addition to the above drilling and monitoring efforts, Cotter's hydrology contractor <br />(Mr. Peter Keat-I) will be preparing further analyses regarding the Divisions concern <br />about local fault conditions and the inability for waters at the surface to impact <br />groundwater near the mining operation. <br />Cotter would like to schedule a meeting with appropriate members of your staff to <br />determine the location and analytical regimen to be applied to samples collected from the <br />location or locations identified. We will be contacting Mr. Russel Means of your Grand <br />Junction office to arrange the meeting. <br />If you should have any questions concerning our plans for further study, please contact <br />our Western Slape Mining Manager Mr. Glen Williams at our Nucla, Colorado office. <br />Sincerely, <br />~~ <br />Manager, Environmental Affairs <br />Gd <br />Cotter Corporation Telephone (720) 554-6200 <br />7800 E. Dorado Place, Suite 210, Greenwood Village, CO 80111 Fax (720) 554-6201 <br />