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<br />EXHIBIT "D" <br />MINING PLAN <br />(A) Description of the methods of mining in each stage of operation related to a surface <br />disturbance. <br />Mining methods will remain constant throughout the life of this mining operation. Mining will be <br />conducted in 5-acre cells which will be dewatered and then dry mined. Dewa[ering trenches will be <br />constructed around each new cell. Dewatering water will be discharged from the dewa[ering system <br />into a settling pond prior to discharge into the Arkansas River. After the second cell is mined out, <br />the dike sepazating the first cell and the second cell will be mined out, resulting in a combined lake <br />with a 10-acre surface area. This procedure will be continued throughout the life of the project, with <br />the completion of each subsequent cell adding five acres to the exposed water surface in the mined <br />out area. Complete details of this plan aze explained in more detail in Exhibit "G", Water <br />Information. The necessary well permits and augmentation plans are in place. <br />Topsoil will be stockpiled on the pit perimeters for use by [he Lessor in his farming operation and <br />for use in lake slope reclamation. Overburden will be used as fill in various portions of the Lessor's <br />property as well as adjacent permitted property owned by the applicant, plus it will also be used in <br />the extension of the flood control dike to the east. <br />The aggregate will be excavated in the dewatered cells by front-end loaders or scrapers from the pit <br />face, and it will be transported to the operator's processing plan primazily by truck. When mining <br />reaches the toe of the proposed backslope, extraction will then be changed from a pit face to <br />extraction at the slopes described in 3.1.5 (7). <br />Mining is projected to start on the west end of the property with a series of north -south 5-acre cells, <br />and then progressing easterly as each row ofnorth-south cells is completed. <br />(B) Earthmoving. <br />The earthmoving equipment to be used in this operation will consist primarily of front-end wheeled <br />loaders, dozers and self-propelled scrapers. There will be a 50' unmined buffer around the east, north <br />and west perimeters, as well as a 200' wide unmined buffer on the south side riparian area next to <br />the river. <br />D-1 <br />