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MINING PLAN EXHIBIT D(coNT) <br /> Processing equipment may include but is not limited to conveyors, <br /> crushers and screen plants . A scale and scale house as well as a <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. <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 gravel . No U.S . Army Corps of <br /> Engineers 404 permit is necessary, as there are no water bodies <br /> on the site nor are there any wetland areas that will be dis- <br /> turbed by mining or reclamation. <br /> MINING TIMETABLE <br /> This estimated mining timetable is based on an average year <br /> and Colorado Crushing, Inc. 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 change in the <br /> annual report that follows the change and modify it at that time. <br /> ESTIMATED MINING TIMETABLE <br /> ACRES ± <br /> OPTION ESTIMATED TOTAL TOTAL MINED MINED <br /> YEARS AREA MINED 100% SLOPES <br /> #1 28-38 81 . 40 73 .54 47 .52 26. 02 <br /> #2 29-39 81 .40 76 . 66 26.02 22 . 69 <br /> 11(Revised 8/12/21) <br />