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<br />' EXHIBIT D <br />Mining Plan <br />1 <br />' The applicant proposes to conduct an open pit aggregate operation vn the azea <br />' defined on the mining plan map. <br />The mining method will consist of several steps. First, the available topsoil <br />t (estimated thickness - 0 to 4 inches) will be stripped and stockpiled. Stockpile areas are <br />t indicated on the Mining Plan Map. The aggregate will then be pushed by a bulldozer to a <br />loader which will transport the material to an on-site crusher. In the future, <i sizing and <br />' washing plant may also be utilized. The aggregate will then be loaded in ov~:r-the-road <br />trucks for transport to vazious projects. Mining for this operation will be from west to <br />' east in asouth-easterly direction. The extent of the aggregate deposit can only be <br />' roughly indicated by deposits exposed by prior mining and by reference to the Colorado <br />Geological Survey Sgecial Publication 5-A, Sand, Gravel, and (?uazry Aggregate <br />~'' Resources, Colorado Front Range Counties. <br />Because of the relative paucity of the topsoil, it has been analyzed for potential <br />t use as growth medium in the reclamation program. The results of this analysis aze <br />I contained in EXHIBIT I. <br />Mine phasing has been developed assuming a relatively constant requvrement for <br />aggregate in the area. Phase I has been approved as a 111 MLR Permit. This application <br />(Phase II) is a succession of operator filing to transfer an existing 112 permit held by <br />' Denver Brick and Tile. The initial 40 acres should be mined out within 6 months to 1 <br />' yeaz. It is anticipated that during that time an amendment to the 112 permit will be <br />requested once the special use procedure is satisfied in Boulder County. <br />' The principal items of mining equipment to be used are scrapers for ~~verburden <br />removal, dozers for aggregate pushing, front end loaders for on site aggregate transport <br /> <br />