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~J <br />DIVISION OF MINERALS AND_ GEOLt_ <br />Department of tJatural Resources <br />7373 Sherman St., Room 215 <br />Denver, Colorado 80203 <br />Phone: (303) 866-3567 <br />FAX: (303) 832-8106 <br />Tune 21, 2006 <br />Dick Whit <br />Cotter Coiporation <br />P.O. Box 700 <br />Ronald W. Canany <br />Division Director <br />N13CId, CO 81424 ~ Natural Resource Trustee <br />~.._~. <br />Re: Waste Dump Monitor Well Plans For SM-l8 Mine (M-1978-116J,~JD-6 Mine (M-1977-3IOj; JD-8 Mine <br />(M-1984=0I4J"arid JD-9 Mine (M-1977-306). - <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 suttounding <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 aze 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 infottnation, 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 L'f~ <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 />`~' `~~~~ <br /> COLO <br /> D I V I S[ O N O F <br />MIN sRALS <br /> GEOLOGY <br />,+S _ <br />N/h~r'I'1r ''''''~~~ <br />,f <br />y ,1 <br />I c 0.ECLANATION-ryINING <br />SA FETY•SQE <br />~, <br />~ NCE <br />J~~ 3 1 9~~~ Bill Owens <br />L Governor <br />Dlvlslon of IAmcral5 and Geology Russell George <br />Executive Director <br />Office of Office of Colorado <br />Mined Land Reclamation Active and Inactive Mines - Geobgical Survey <br />