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EXHIBIT C <br /> 6.3.3 Mining Plan <br /> (1) The purpose of the mining plan is to describe how mining will affect the permit <br /> area for the duration of the operation.This plan is correlated to Exhibit E— Maps <br /> 2, 3 and 4: <br /> (a) The estimated dates mining will begin and end. If the operation is <br /> intended to be an intermittent operation as defined in by statute,the <br /> Applicant should include in this exhibit a statement that conforms to <br /> the provisions of the statutory requirements: <br /> This is an on-going mining operation. Based on known reserves and mining at 70,000 tons per year, <br /> the operation could produce for up to 50 years. We do not anticipate periods of intermittent <br /> mining activity. <br /> (b) The estimated depth topsoil will be salvaged,specify how the topsoil will <br /> be stockpiled and stabilized with a vegetative cover or other <br /> means until used in reclamation. Topsoil stockpiles must be <br /> protected from mine operations traffic, stream channels or <br /> drainageways. The location is shown on Exhibit E—Maps 7 and 8: <br /> The proposed road between the Cross mine and the Caribou mine is on previously disturbed land. <br /> The addition of the new road will not require any topsoil or vegetative cover to be salvaged. <br /> The increased permit boundary includes the Caribou hillside discussed in Technical Revision No. 7 <br /> (TR 7). The topsoil, vegetative cover and reclamation plan are covered in detail in TR 7. <br /> (c) Specify the thickness of overburden or quantity of waste rock, if any,to be <br /> removed to reach the deposit. The location of any overburden stockpiles <br /> or waste rock fill is shown on Exhibit E—Maps 6 and 7: <br /> This is an underground mining operation. Some waste rock will be produced as the new Idaho <br /> Tunnel Drift is developed. The amount of waste rock from adit development is estimated at 4,250 <br /> cubic yards or 9,562 tons.The waste rock will be made available to Boulder County Road and <br /> Bridge Department and the U.S. Forest Service for use on their roads and used on site. The waste <br /> rock stockpiles are not anticipated to be long term, needing reclamation at the conclusion of <br /> mining activities. (At least one of the proposed stockpile locations is an existing rocky area located <br /> near the proposed upper access road entrance.)The waste rock pile foot prints may require <br />