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MINING PLAN EXHIBIT D (CONT) <br />This is done to avoid having a working face that is too high. <br />When the norther limit is reached we will begin to mine south to <br />the final floor elevation. The bond is calculated based on <br />disturbing the entire area. Therefore mining can take place on <br />parts of the entire permit area without exceed the bonded distur- <br />bance limits. Reclamation will run concurrent with mining to <br />reduce the amount of disturbance at any one time. At the end of <br />each mining season the working face will be cut/fill graded to <br />3:1 so the face remains stable until mining resumes. This will <br />mean that if mining does not resume then only resoiling of the <br />mine face would be needed. <br />This parcel can be broken into two distinct areas, the area <br />to be mined and area that will not be disturbed. The undisturbed <br />areas include the setbacks around the mined area and a small <br />section in the southwest gart of the mine that is a bog. <br />Mining equipment may include but is not limited to, scrap- <br />ers, motor graders, bulldozers, Tractor trailers, tandem-axle end <br />dumps and articulated haul trucks, Front-end loaders, Water <br />trucks; for dust control, Screening plants; wet and dry, Portable <br />conveyors, and Portable crushers. A storage/maintenance build- <br />ing, constructed of enameled steel siding of colors complementary <br />to the surroundings will be constructed on the property. This <br />building will be utilized for storing pit mobile equipment, <br />performing maintenance work on the equipment and a pit office. <br />Truck scales will also be installed near the maintenance shop, <br />then moved later on closer to the new access to the pit. Place- <br />ment of this temporary building is allowed in the Grand County <br />Special Use Permit. The building will be removed when mining is <br />complete or if a deal can be made with the landowners it will be <br />left for their use. <br />MIIVIIVG PLAN <br />The Rattenberg Pit will be a dry mine, except for the water <br />used to produce washed gravel products at some time in the <br />future. All materials will be mined using scrapers, front-end <br />loaders and haul trucks. No blasting will be required with the <br />operation. Screening, crushing, stockpiling and washing will <br />occur on site. Dewatering of the pit will not be needed. <br />Production from the Rattenberg Pit will begin in 2004 and con- <br />tinue for 10 to 15 years, depending on demand for the products. <br />6 <br />