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MINING PLAN EXHIBIT D <br />smooth plains in the northern and south-central portions of the <br />county. This soil formed in eolian sand averages 11 inches of a <br />grayish brown loamy sand underlain by 8 inches of a brown course <br />sandy loam. <br />Calculations based on the soils report and on site observa- <br />tions suggest that sufficient quantities of soil will be avail- <br />able to reclaim the disturbed lands to their present condition. <br />The soils in this area will be salvaged and when replaced should <br />be capable of growing vegetation consistent with what is there <br />now. Using 10 inches as an average, we calculate there should be <br />41,624 YD3 of topsoil available for resoiling the mined area. Be <br />assured we will retain all available topsoil on the site so none <br />has to be imported to assure reclamation is successful. The <br />topsoil stockpiles will be located around the excavation to <br />reduce the haul distances when reclamation starts. If the soil <br />stockpiles remain undisturbed for more than one year 2#1s pls of <br />Crested Wheatgrass will be planted per 100 sq-ft. <br />MINING PLAN <br />We anticipate the life of this mine to be between 10 and 15 <br />years depending on our need for material in the area. The <br />unmined portions of the site are currently used by the landowners <br />as rangeland and a landowner mine lying in the northwest quadrant <br />of the proposed permit area. The plan is to continue to mine the <br />southern and eastern sides of the existing mine and leave the <br />northern and western portions of the highwalls created by other <br />parties out of the mine. We will incorporate a portion of the <br />existing mine floor in this permit to have a place for our <br />initial plant site and then blend the floor of the old mining <br />area with the floor area to be created by this mining operation. <br />Once the mine face extends from east to west across the property <br />then mining will work south to the mine limits. <br />MINING PLAN MAP -EXHIBIT C-1 shows the location of the pre-permit <br />disturbed area as a cross hatched area. Mining will begin by <br />mining into the gravel slope left in this area. This is a single <br />stage operation. The amount of disturbance will be limited to <br />38.57 acres or less at any one time. Approximately six acres <br />will be used as a processing plant/stockpile area and the remain- <br />ing 32.57 acres will be actively mined, undisturbed or reclaimed <br />as mining progresses. <br />Of the 38.57 acres ± in the permit area, 36.78 acres ± will <br />be disturbed by the mining operation and 1.79 acres ± will be <br />9