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of the area shown in brown will be needed for the topsoil stockpile and its <br /> associated access road. The exact location within the brown tinted area on <br /> the map will be determined once operations begin. <br /> • The entire area for topsoil storage should be adequate as a temporary <br /> storage area. It is free of drainages, is fairly flat, and away from the <br /> borrow area. <br /> • Appropriate storm water management control will be implemented around <br /> the topsoil stockpile. <br /> • Given the short duration of the borrow operation,the topsoil stockpile will not be <br /> seeded. The topsoil stockpile will be left rough as placed. Once borrow material is <br /> removed and final grading and discing(as needed)is complete,the topsoil <br /> stockpile will be removed and the topsoil replaced on the final regrade. However, <br /> in the unlikely event the stockpile is not used for site reclamation within one year, <br /> it will be seeded with the approved reclamation seed mix. The topsoil stockpile <br /> location and its access road will then be reclaimed. <br /> (c) Specify the thickness of overburden or quantity of waste rock,if any, <br /> to be removed to reach the deposit. The location of any overburden <br /> stockpiles or waste rock fill must be shown on Exhibit E—Map: <br /> This mining operation is a borrow pit. Once the adequate topsoil is removed, all <br /> excavated material will be used as borrow material. <br /> (d) Specify the thickness of the deposit to be mined: <br /> Maximum removal depth will be approximately 25 feet. A hill which peaks in the <br /> southwest and slopes down in all directions will be removed. The southeast <br /> portion of the property, when mined,will create a 3H.•I V or less slope into the <br /> mined out pit. The goal is to create slopes appropriate to the site's post mining <br /> land use, rangeland. We plan to remove up to 150,000 cubic yards of material. <br /> (e) Describe the major components of the mining operation such as: roads, <br /> access routes,pit, office,shop/maintenance buildings,plant,processing <br /> facilities, and any underground openings such as adits or ventilation <br /> facilities. These components must be located on Exhibit E—Map: <br /> • All major components are shown on Exhibit E—Pre-Mine/Mine Plan <br /> Map. <br /> • The operation will consist of an access road allowing borrow material to <br /> be loaded and hauled to the Aurora project construction site. The existing <br /> access road will be modified as needed to permit safe access off Oh <br /> Avenue Parkway to the borrow area(The access road is really more of a <br /> driveway or entrance way to the borrow area than a road of significant <br /> length). The access road will be returned to its pre-mine condition once <br /> mining and site reclamation operations are completed and then reclaimed. <br /> • All haul roads interior to the borrow site will be maintained during mining <br /> operations to be safe and to function properly. <br /> • Road maintenance will include maintaining proper drainage,runoff <br /> 32 <br />