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,~.Y <br /> <br />~ IIIIIIIIIIIIIIIIIII ~ <br />STATE OF COLORADO <br />Roy Romer, Gove <br />DEPARTMENT OF NATURAL RESOURCES <br />MINED LAND RECLAMATION DIVISION <br />FRED R. BANTA, Director <br />May 4, 1988 <br />Climax Molybdenum Company <br />Henderson Mine <br />Charles L. Jackson <br />Resource manager <br />Box 68 <br />Empire, CO 80438 <br />Re: Technical Revision Partial Approval, File No. 77-342 <br />Dear Mr. Jackson: TR ~S <br />This letter confirms our phone conversation of April 26, 1988 concerning your <br />request for technical revision (TP.). <br />We received the TP, application on April 8, 1988. It calls for: <br />(1) Submittal of a replacement financial warranty and establishment of a <br />reclamation trust fund: <br />(2) Revising topsoil replacement requirements; <br />(3) Revising topsoil stockpile, road and diversion canal locations. <br />Financial Warranty <br />Your request to submit a replacement warranty and establish a reclamation <br />trust comply with Rule 7. Therefore; it is approved in accordance with <br />P.u1e 1.9. I have enclosed copies of forms necessary to substitute a <br />letter of credit for the surety bonds and to establish a reclamation <br />trust. Diana Bills is responsible for all matters concerning financial <br />warranty in our office. Please contact her about the procedures for <br />implementing the changes. I don't think we've ever had a request to <br />establish a reclamation trust fund, so we will be breaking new ground if <br />you decide to qn this route. <br />Topsoil Replacement Requirements <br />We agreed to defer consideration of this point of your request until <br />we've had a chance to inspect the site and evaluate revegetation <br />monitoring data. As you know, our concern stems from the lack of <br />virtually any successful tailings revegetation work in Colorado. This, <br />combined with the large affected area of tailings will cause us to be <br />very cautious. In all fairness, I should mention that the only long-term <br />tailings revegetation in Colorado was accomplished by Amax at the Urad <br />site. However, all of the techniques used at Urad have not been <br />transferred, i. e., waste rock cover, so we need to look at the Henderson <br />tailings on a site specific basis. I'll be contacting you soon to set up <br />an inspection date. <br />215 Centennial Building, 1313 Sherman Street Denver, Colorado 80203-2273 Tel. (303) 866-3567 <br />