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<br />of Natural Rewurces <br />1313 Sherman St., Room 275 <br />Denver, Colorado 80203 <br />Phone: (303) 866-3567 <br />FAX: (303) 831-8706 <br /> <br />COLORADO <br />DIVISION O F <br />M[N &RALS <br />GEOLOGY <br />RECIAMATlO N•MI NING <br />SAF ETY~SCIEN <E <br />2tl',-200b- <br />Bill Owens <br />Governor <br />DIC ..` hlte Russell George <br />!<~•~r~k+15.'' ~T~..._._ Executive Director <br />` ~ ~ ' COIpOLatIOAuJ~ Ronald W. Canany <br />P.O. BOX 700 Division Director <br />Nucla, CO 81424 ~ Natural Resource Trustee <br />Re: ~l'aste Dump s ,ell .la° s For SM-l8 Mine (M-1978-116), JD-6 Mine (M-1977-310),/JD-8 Mi <br />~t (M 7984=014 an JD-9 Mine -1977-306). ` <br />~J <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 2iu1, 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 formagy <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 L~1~~ <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 Rxlamation Active and Inactive Mines Geological Survey <br />