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EXHIBIT C <br /> Rule 6.3.3 <br /> Mining Plan <br /> (a) Commencement and Duration of Gravel Pit Operation: <br /> The quarry operation will commence in approximately August 2016. Due to the limited access to <br /> the operation site during the months when snow is on the ground, this operation is intended to be <br /> an intermittent operation and used for less than one hundred and eighty days per year pursuant to <br /> the provisions of C.R.S. § 34-32.5-103(11)(b). The operation will last approximately 30 years, <br /> ending in August 2046. <br /> (b) Topsoil replacement depth: <br /> As practicable, 12 inches of topsoil will be removed and stored on site as shown in the attached <br /> Mining Plan Map and replaced during reclamation. Removed topsoil not replaced within a time <br /> short enough to avoid deterioration will be reseeded as necessary to protect from erosion. Any <br /> necessary reseeding will utilize the seed mix and application methods described in the <br /> Reclamation Plan. Where practicable, woody vegetation present at the site shall be removed <br /> from or appropriately incorporated into the existing topsoil prior to excavation within the <br /> affected areas. Topsoil stockpiles will be stored in places and configurations to minimize erosion <br /> and located in areas where disturbance by ongoing mining operations will be minimized. Once <br /> stockpiled,the topsoil shall be rehandled as little as possible until replacement on the regraded, <br /> disturbed area. <br /> (c) Thickness of overburden: <br /> Overburden thickness varies. As applicable, overburden will be excavated to reach the deposit, <br /> which is largely exposed. Any overburden that is removed will be placed in a storage pile on site <br /> as shown on the attached Mining Plan Map and replaced during reclamation. The overburden <br /> will be stored in places and configurations to prevent erosion. <br /> (d) Thickness of deposit to be mined: <br /> Because the material is exposed on the surface and piled on top of itself, the thickness of the <br /> deposit varies widely. The thickness varies from approximately 3' to 100'. The current nature of <br /> the material can be seen in the Site Images attached hereto. <br /> (e) Major Components of Mining Operations: <br /> The gravel material will be excavated using backhoes,trackhoes or loaders and placed directly <br /> into dump trucks for transportation. <br /> The area of material excavation and the haul/access road through the area of material extraction <br /> are the only components of the mining operation. Some material may be stockpiled or stored on <br /> Van Valkenburg Cattle Co., LLC <br /> Construction Materials Limited Impact(110) Operation Reclamation Permit Application Form <br /> Page 1 of 5 <br />