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MINING PLAN EXHIBIT D(CONT) <br /> shop and maintenance building may also be built at the mine <br /> during its life . No blasting will take place at this mine . <br /> As much as possible, the surface drainage will be maintained <br /> in the same direction as it now exists . The proposed sloping <br /> plan for the excavated area should eliminate any concerns of <br /> erosion occurring on the site . The ephemeral drainages will not <br /> be disturbed by mining. <br /> On a typical operation of this type we may use up to 3 ac-ft <br /> of water per year . Most of the water used for dust control will <br /> be used on haul roads . Please refer to EXHIBIT G -WATER for the <br /> discussion of how water will be used at the site and the source <br /> of said water. <br /> There are no ditches crossing the site and no surface or <br /> subsurface water will be impacted by the mining operation. All <br /> interior pit slopes will be maintained with a pit-ward attitude <br /> so that historic drainage patterns can be maintained. This same <br /> slope management plan will prevent any offsite slides or other <br /> disruptions . Isolation berms or ditches will be constructed <br /> around the active mining area to prevent off site stormwater from <br /> contacting the disturbed area. All stormwater contacting the <br /> disturbed area will be retained on site and allowed to evaporate <br /> or soak into the underlying sand. No stormwater will be retained <br /> in the mine area for more then 72 hours . No dewatering will take <br /> place as this is a dry mine . A CDPS and stormwater permit will <br /> be obtained if needed. No U. S . Army Corps of Engineers 404 <br /> permit is necessary, as there are no water bodies on the site nor <br /> are there any wetland areas that will be disturbed by mining or <br /> reclamation. No mining will take place within the ephemeral <br /> drains of Black Squirrel Creek or Big Springs Creek. <br /> MINING TIMETABLE <br /> This estimated mining timetable is based on an average year <br /> and Ellicott Sand & Gravel LLC expects a specific year to vary <br /> widely from the average . If there are changes in the mining <br /> timetable we will discuss the reasons for the changes in the <br /> annual report that follows the change and modify it at that time . <br /> 8 <br />