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\ ~ • <br />Mr. Jim Points <br />July 7, 1982 <br />Page -2- <br />Exhibit C (cont'd) <br />3. Show the buildin€;s listed in the National Register which cannot be <br />removed. <br />Exhibit D - Mining Plan <br />1. What estimated ptoportion of waste rock will be brought out of the <br />adit and deposited verses that permanently left underground? <br />2. Are any other chemicals used in the milling process, if so specify <br />what these are. <br />3. Specify the approximate thickness of topsoil to be stripped from areas <br />of future development and show where it will be stockpiled on your <br />Exhibit C map above. <br />4. We would like for you to have an independent engineering firm review <br />your plans £or the tailings dam for design and integrity to ensure <br />the adequacy of this proposed expansion. [de would also like to have <br />a copy of the plans as submitted. <br />5. With what material will the enlargement of the pond be constructed? <br />If the tailings themselves will be used, in conjunction with lt4 above, <br />please give a fractional analysis. <br />6. What measures wi1.L be taken to control on-site runoff and erosion? <br />Exhibit E - Reclamatio~i Plan <br />Your reclamation elan does not adequately address what measures will be <br />taken to reclaim t:he various disturbance associated with the proposed <br />operations. <br />The Soil Conservation Service's recommendations given in Exhibit I and <br />J do, however, address grading, revegetation of dumps. The distinction <br />between waste rocl: pile and mill tailings is unclear though. Unless <br />adequate topsoil i.s available, revegetating the mine's waste rock piles <br />is probably not practical and reclamation best accomplished by grading <br />these piles to 2:7. slopes or less and by controlling runoff to be <br />diverted away from these piles to reduce additional water contamination. <br />Your plan should thus address final grading of new waste rock areas, and <br />the tailings pond; revegetation and amendments (if the Soil Conservation <br />Service's recommendations will be followed, please specify). Closure <br />of the adit; structures to be removed; any permanent drainage diversions; <br />and any other measures that would be necessary to clean-up the site. <br />