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EXHIBIT C <br /> MINING PLAN <br /> COUNTY: Prowers <br /> OPERATOR: Castle Rock Construction Company of Colorado, LLC <br /> 1. Mining will commence in mid May 2019 or as soon thereafter as this permit is <br /> approved and will continue until the completion of a US 287 Climbing Lanes re- <br /> construction project South of Lamar. The completion of this project will be in the <br /> fall of 2019. Reclamation will be complete just after the project is finished. <br /> 2. All of the topsoil along with the grass root zone on the existing rangeland will be <br /> salvaged for use in the reclamation process. Topsoil on the disturbed portions of <br /> the pit will be striped to a depth of 4-6 inches and stockpiled as shown on Exhibit <br /> E - Mining Plan Map, East of the affected area. The topsoil will be placed back on <br /> the reclaimed area to the same 4-6 inches, when possible, during excavation as the <br /> remaining aggregate is excavated, thereby minimizing the size of the topsoil <br /> stockpile. <br /> 3. Overburden is not anticipated in this mining operation. <br /> 4. If stock piles are left for extended time over 180 days it will temp seeded. <br /> Temporary seeding will utilize the seed mix stated in the reclamation plan. Any <br /> runoff from the stockpile will be channeled toward the excavation area. No <br /> drainage ways will be blocked by or contact the stockpile of topsoil. Topsoil <br /> placement will be complete by the late fall of 2019. <br /> 5. Thickness of borrow material will be a maximum of 8-12 feet. <br /> 6. Borrow material will be excavated within the pit limits and hauled directly to the <br /> project site off of the property. No processing of the material will occur on the <br /> site. <br /> 7. There is an existing road owned by the landowner, Doulas Hasser, that will be <br /> used to operate from the borrow pit to US 287. It will not be altered and is not <br /> included in the acreage of the borrow site. <br /> 8. The pit is an existing fairly flat rangeland. 3'-18' in depth will be mined by <br /> beginning at the southeast edge of the pit limits and excavating North. The pit <br /> floor will be graded to a relatively level elevation for approximately 300 feet and <br /> then a max 4:1 slope will be built on the Western and Southern side of the pit. <br /> 9. The slopes of the excavation will be made a 4H:1 V slope or flatter. The slopes <br /> will be graded as the excavation proceeds and vertical pit walls will not be <br /> necessary. <br />