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EX IIBIT D-- MINING PLAN <br /> The proposed operation's purpose is to expand an established sand and gravel pit <br /> from 9.2 acres to 25.56 acres. This application if for a conversion from a limited impact <br /> 110 operation to a regular 112 operation. The original MLRB Permit (M-89-084) will be <br /> converted to encompass the increase in acreage. Granite mined at the Oak Creek Pit is, <br /> and will continue to be, used to maintain and improve county roads for the surrounding <br /> area in Fremont County. The county road crews, on a need basis, will conduct the <br /> minim; operation. Hours and days of operation will be limited to 6 a.m. to 6 p.m. Monday <br /> through Friday, except in the case of emergency. At full capacity, the mine is expected to <br /> produce 30,000 tons/year of gravel. Mine equipment will consist of a bulldozer and front- <br /> end loader for removal and stockpiling of the gravel, and haul trucks for transportation of <br /> the road material. Contract crushing and screening will be utilized as needed. Due to the <br /> simplicity of the mining operation, no permanent structures are planned, nor are any <br /> utilities or service facilities needed. Any slopes created in the mine area will be reduced <br /> to a grade no steeper than 3:1, H: V and stabilized via contour rifling to minimise erosion <br /> of newly exposed material. After mining, the floor and slopes of the disturbed area will <br /> be seeded with a native mixture of grasses and shrubs. <br /> 4 <br />