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BENT COUNTY COMMISSIONERS <br /> 112 PERMIT APPLICATION <br /> EXHIBIT D (Mining Plan) <br /> Godfrey Pit <br /> Mining will commence on the northeastern corner of the affected area then proceed to the west along <br /> the northern boundary then south as shown in the Exhibit C- Mining Plan map. Mining will be <br /> performed using front end loaders.The deposit varies in depth from a few feet to approximately 10 feet <br /> thick located between 1 and 4 feet below the upper surface of the mined area. No explosives will be <br /> used in the mining operation. <br /> A new access road will be constructed from County Road 10 to the pit boundary using"pit run" material <br /> for the proposed gravel pit.The access road path will be minimally graded and pit run material will be <br /> used to create the approximately 20-foot-wide by 6-inch thick access road.The access road will remain <br /> after mining and reclamation are completed at the land owner's request(see included request letter). <br /> Approximately 4 to 10 inches of topsoil will be removed and collected along the northern boundary of <br /> the affected area for use during reclamation.Additional overburden ranging from a few inches to up to <br /> 3 feet may be removed,collected,and stored along the northern boundary of the affected area as <br /> shown on Exhibit C2 for use during reclamation as needed.The topsoil and overburden materials will be <br /> isolated and stabilized with a the same or a faster growing subset of the reclamation seed mix(e.g. <br /> sideoats gramma and sand dropseed)for use during reclamation. Mining will be performed as needed <br /> over several years. Reclamation activities will be performed as mining progresses.Approximately 5 acres <br /> will be used for staging and stockpiling of mined material. Mined area will be reclaimed when 5 acres of <br /> mined area is available for reclamation.Approximately 80 total acres of the affected land will be mined <br /> over time with approximately 10 acres being actively mined or used for stockpiles at any given time, in <br /> addition to the 10.46 acres dedicated to the access roadway,which will remain after reclamation. <br /> No secondary commodities will be mined from the affected area. <br /> Approximately 15 acres in two locations of the affected area was previously mined in the 1940's to <br /> construct a now abandoned airport for World War II training.These areas may be remined as they still <br /> contain some desirable material. <br /> The leading edge of the mined areas will be sloped by front end loader to an approximate 45-degree <br /> angle. Mined areas will be sloped to a slight grade sufficient to reduce rainwater collection. <br /> Approximately 3 acres will be mined per year. Screening and crushing of the mined material may occur <br /> annually or biennially.The screened materials will be stockpiled in the mined area of the affected pit <br /> area. Pit operation shall be intermittent with approximately 2 months of mining and screening per year <br /> or every other year. Stockpiled material will be used as needed, but total activity will be less than 180 <br /> days per year. <br />