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• <br />Mr. Mike Stanton <br />16 May 1983 <br />Page Two <br />EXHIBIT B - Mining Plan <br />1. To better visualize the operation, there are two mounds of <br />gravel left within the old gravel pit. These two mounds <br />will be taken down to the existing level ground: <br />2. The estimated life of the operation is 7 months if the area <br />is mined at a rate of 100 cubic yds. per day. <br />3. This pit was last worked about four or five years ago, ac- <br />cording to the land owners. <br />EXHIBIT C - <br />The location of the haul road south is labeled on the map at- <br />tached. <br />EXHIBIT D - Soils Information <br />The estimated volumes of the topsoil and overburden stockpiles <br />are 3,000 cubic yards and 2,200 cubic yards, respectively. <br />EXHIBIT E - Reclamation Plan <br />1. The highwall (which contains gravel) to the north will not <br />be disturbed. If the Thornburgs decide to eventually mine <br />the gravel deposit to the north, then this highwall would be <br />taken to grade. At present their plans for the gravel to <br />the north are unclear. <br />2. You are correct. The drill seed rate should be about 1/3 <br />that in the table which shows a broadcast seed rate with two <br />applications for early spring and summer. <br />3. You are correct. We have not included Indian ricegrass, <br />only Indiangrass (Sorghastrum nutans). <br />4. If a decision is made to return a portion of the disturbed <br />land to feedlot, say a five-six acre area, then overburden <br />and topsoil could be returned to the reclamation surface at <br />8-10 inches in depth. With fertilization or amendments from <br />an organic source this should be sufficient to have success- <br />ful establishment of a native grass pasture. <br />