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(b) Earthmoving; <br />Topsoil and overburden will be stripped with scrapers or bulldozers and stockpiled in <br />segregated piles at the top edge of the active mine phase. Excavators, front-end <br />loaders, and bulldozers will be used to mine and stockpile the saleable material on the <br />mine floor. Conveyor belts or haul trucks will be utilized to transport the raw material <br />from the active mine phase to southeast or east to the existing processing area <br />located at the Baseline Resource site. Phases 1 and 2 (Parker Property) wilt be mined <br />vertical and Phase 3 (former Dersham Property) will be mined at a 3H:1V slope. <br />(c) All water diversions and impoundments; and <br />Dewatering trenches surrounding the inside of the mine limit (pit) will control water <br />levels inside the active mine area of all Phases. Dewatering pumps will discharge <br />water from the dewatering trench to the Baseline Resource mine dewatering system, <br />located directly adjacent to the Parker/Dersham permit area. <br />A slurry wall will be installed around the Phase 3 area prior to mining. <br />(d) The size of area(s) to be worked at any one time. <br />The maximum area to be worked on at any one time is approximately 17 acres. <br />(e) An approximate timetable to describe the mining operation. The timetable is for <br />the purpose of establishing the relationship between mining and reclamation <br />during the different phases of a mining operation. <br />The Operator anticipates extracting approximately 800,000 tons of aggregate per year, <br />however, production rate may vary based on market demands. Mining on the <br />Parker/Dersham site will begin upon receipt of ail necessary permits for the site. <br />Timetable for Mining and Reclamation <br />Phase 1 & 2: Mining will begin in Phase 1 and continue directly into Phase 2. <br />Reclamation for Phase 1 and 2 will begin immediately after mining is complete <br />and will be completed in less than 5 years pursuant to the operator's <br />agreement with the landowner. When possible, concurrent reclamation <br />practices will be used to minimize site disturbance. As excavation progresses <br />in each phase, the operator will place backfill into the previously mined area. <br />Concurrent reclamation will provide the most efficient use of material <br />placement by limiting material handling to the greatest extent possible. <br />Phase 3: Mining will likely begin in Phase 3 within 4 years of the end of <br />mining Phases i and 2, depending on market conditions. Phase 3 will be <br />mined in approximately 3 years and reclaimed in 2 years. <br />Hall•Irwin Corporation -Parker/Dersham Sand and Gravel Resource - MLRB 112 Permit Application <br />Exhibit D - 3 <br />