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<br />!. <br />EXHIBIT D <br />MINING PLAN <br />The area to be covered by this Permit includes a portion of <br />ground included in a 1973 Act Permit, Open Mining Permit No. 14, <br />which expires June 30, 1979. The area covered by Permit No. •14 <br />includes what is now a lake located west of 23 Road, with an ap- <br />proximate surface area of 13 acres (see Exhibit C). <br />The area to be covered by this permit also includes an existing <br />unpermitted mined area east of 23 Road containing 14 acres, the existing <br />processing and stockpile site containing 13 acres, and two proposed <br />gravel pit areas identified as Pit I and II, located west of 23 Road <br />(see Exhibit C).. <br />• We plan to mine the overburden, sand and gravel deposits from the pro- <br />posed Pits I and II. Topsoil will be stripped from Pit Area I and stock- <br />piled in the processing site for use during reclamation. The overburden <br />will be excavated, loaded into trucks and hauled from the site to be used <br />as fill material. The sand and gravel will be excavated from the pit, <br />loaded into trucks and hauled to the processing site where it will be <br />stockpiled. <br />Due to the high water table in this area, approximately 5 feet below <br />[he existing ground surface, the pit operation will require dewatering to <br />mine the full depth of the gravel deposits which is approximately 12 feet <br />in thickness. Dewatering will be accomplished by digging a sump in the <br />lower corner and pumping the water into the existing pit located west and <br />south of Pit 1 and II, respectively. Pumping will be conducted in accor- <br />dance with the provisions of our NPDES Permit No. CO-0027383. <br />