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of Natural Resources <br />7373 Sherman St., Room 275 <br />Denver, Colorado 80203 <br />Phone: (303) 866.3567 <br />FAX: (303) 832-8106 <br />zl, 2006-- <br />~~~ /~~~, <br />COLORADO <br />D I V I S I O N O F <br />MINESRALS <br />GEOLOGY <br />REC IAMATION-MINING <br />SAFETY•SCIEN CE <br />Rill Owens <br />Governor <br />D1C ltt~e ( Russell George <br />. ~ e "C`01770r17 at1QI2..:..;`~ ~ Executive Director <br />P.O. BOX 700 Ronald W. Cattany <br />bivision Director <br />Nucla, CO 81424 / Natural Resource Trustee <br />Re: (Waste Dump t'"~br~N'ell" _ s For SM-18 Mine (M-1978-116), D 6 Min_ev(M 1977-3I0), JD-8 Mine <br />(M--1984-014) and JD-9 Mine -1977-306). L " <br />Dear Mr. White: <br />Cotter Corporation has proposed the installation of monitor wells and piezometers at the above referenced sites to <br />gather hydrological data concerning the potential migration of metals from waste dump rock into the surrounding <br />area. Cotter and staff met on May 2"d, 2006 on site to discuss the initial proposal and possible well locations: <br />Staff has in principal agreed to the plan and locations, but final approval cannot be given until the plan is formally <br />submitted and reviewed. Cotter needs to submit the plans for each site which should include a basic well <br />construction plans as well as site and well location maps. The plans should also set a monitoring schedule and <br />proposed parameters to be tested from the samples. The Division also needs in the plan proposal a projected start <br />date for construction and possible first date for submission of data for review. <br />The approval of the plans, construction and data collection are critical for scheduling Cotter's appeals to the <br />Board of the DMO designation by the Division of the JD Mines and Non-DMO for the SM-18. Staff will review <br />the plans as quickly as possible, but must have time to do so adequately prior to implementation. <br />If you need additional information, please contact me at the Division of Minerals and Geology, Grand Junction <br />Field Office, 101 South Third Street, Room 301, Grand Junction, Colorado 81501, telephone no. 970-241-1117. <br />Sincerely, <br />G. Russell Means G •~~ <br />Environmental Protection Specialist <br />Cc: Kate Pickford, DMG EPS, Durango, Hydrology Review <br />Cc: Carl Mount, Senior Environmental Protection Specialist, North Team <br />Cc: Cheryl Linden, Attorney General Office, Denver <br />Cc: Travis Stills, Energy Minerals Law Center, Durango <br />Office of Office of Colorado <br />Mined Land Reclamation Active and Inactive Mines Geological Survey <br />