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Office Phone <br />970-522-7879 <br />OR <br />Jim Neblett <br />Director-Planning & Zoning FAX 970-522-4018 <br />Planning & Zoning web www loganco gov <br />LOGAN COUNTY <br />315 MAIN STREET SUITE 2 <br />STERLING. COLORADO 80751 <br />Exhibit D <br />Mining Plan <br />The current active area of the Schumacher Pit and the expansion area will be mined in 2- <br />3 acre sections, working from the North end of the current area to the South end of the <br />expansion area. <br />A front-end loader, scraper and bulldozer will be used to extract the gravel from the pit. <br />No screening will be done. No waters will be diverted or impounded. No explosives will <br />be used in the mining process. <br />The pit will be mined in 2-3 acre sections. Each section is expected to be mined for <br />approximately three (3) years. Mined sections will be sloped prior to mining activities <br />being moved into a new area. Previously mined and sloped sections will be seeded in <br />late fall to early spring. <br />2-3 feet of overburden will be removed and retained to be used when re-sloping. Very <br />little top soil exists in the affected area. No top soil will be removed. <br />The primary commodity to be mined is gravel. There are no secondary or incidental <br />commodities. The gravel will be used for road beds in Logan County. <br />The gravel to be mined is 2-3 feet below the surface. The gravel layer is approximately <br />15' thick. The underlying stratum is clay. <br />The pit will be mined to steeper than 4:1 slopes and them backfilled to the final 4:1 slope. <br />There will be enough overburden to back fill the slopes to the final 4:1 slope