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R-6 <br />EXHIBIT D-Mining Plan (6.4.4) Revised 11-19-05 <br />(a) It is proposed that the method of mining will remain consistent throughout <br />Phases A, B,C, D, and E. This entails the removal of topsoil (where <br />applicable) and overburden utilizing, bulldozer and scrapers. Mining <br />operations will involve surface extraction with front-end loaders and/cr <br />excavators. <br />It is proposed that a portable aggregate be located on the site on an ;~s- <br />needed, seasonal basis. It has not been determined the type or <br />configuration of this plant at this time. It is also proposed that a portable <br />asphalt and/or concrete plant may be located on the site. This provision <br />allows for the possibility of future civil works in the vicinity of the site. In no <br />fashion is it proposed to erect permanent processing plants on the site. <br />In the event that storage of diesel fuel, fuel oil and/or asphalt cement be <br />necessary on site, only certified above-ground tanks will be used. Su~;h <br />tanks will either be double-walled self contained in design or placed in <br />adequately lined containment structures. <br />(b) Topsoil (where applicable) and overburden will be sequentially removed <br />from each phase with scrapers, dozer and and/or motor-grader. Sucl- <br />material will be placed in perimeter berms as shown on Exhibit C. <br />(c) No water diversions are anticipated in Phases A, B, C, D, or E. <br />(~~ n4 f DI+.. n 'll tin' no nni {n cvn.evrifc 4i~n nrn~iel TG.ic~l <br />.~ <br />hrbrt <br />(d) Each phase as shown on Exhibit C varies in acreage. It is the intent of the <br />operator to mine an area within each phase not to exceed ten twenty <br />acres at any given time. <br />(e) It is anticipated that this pit will be mined on a seasonal basis. As <br />mentioned above, the operator intends to mine in ten twenty-acre <br />increments. Dependent upon market demand and production rates, it is <br />expected that each ten-acre area will be worked for a period of 12 to 24 <br />months, including off-season shut downs. <br />(1] The following information is CONFIDENTIAL. <br />(i) Phases A,B and C consist of terrace deposits with varying depths ~~f <br />topsoil and overburden. The average depth to gravel is assumed to be 4 <br />feet (0 - .5' topsoil, 3.5 - 4' overburden). The average depth of gravel is <br />4 <br />