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I EXHIBIT E (Cont'd) <br />1 <br />ll1ining is being carried out in eight stages so as to minimize <br />1 the disturbence at any one time. Also in order to minimize <br />disturbence, the reclamation phase will start very soon after or <br />in conjuction with the completion of each mining stage. With the <br />exception of Stage A, no more than two mining stages will ever be <br />disturbed at the same time. For example, while Stage V is being <br />mined, Stage IV, now called Phase IV, will be in the process of <br />being recalimed. eft the same time it should be noted that rec- <br />lamation of Phases 0,1,2,3 and A will already be complete and <br />that in Stage VI mining will not have been started. ( See map <br />Exhibit F.) <br />Overburden, as described in Exhibit D, is sand or shaley <br />sandstone and veries between 6 feet and 32 feet. The swell factor <br />for this material is estimated to be 1.27. After mining is com- <br />pleted in each stage, available overburden material will be <br />used to back fill the excavation left by mining. The pit side- <br />walls will br reduced to at least 3:1. The overall depth will <br />be reduced in order to create a topography approching that of <br />the surrounding area. <br />Although careful regrading and recoiling will occure, <br />basinal areas will remain after all backfill material is used. <br />It is not expected that these low spots will create any problems. <br />The backfill material is largely sand, and the material remain- <br />ing on the pit floor is expected to be primarly sand and shaley <br />sandstone. <br />-17- <br />