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Revision <br />February 1982 <br />Below the highway, grading of backfilled surfaces will provide a <br />reclaimable contour with a grade of approximately 25 percent. Rocklined <br />ditches will be provided for the two watercourses which cross the West <br />Portal area. The constructed channels will be directed into permanent <br />culverts under the railroad tracks. <br />The straw dike along the riverbank will be removed and the sediment <br />pond will be filled and graded to form a nearly level terrace. Isolated <br />disturbed areas along the riverbank will be contoured and riprapped in such <br />a way as to provide substrate for reestablishment of riparian vegetation. <br />(4) Topsoil <br />• (see Section 4.06) <br />(5). Revegetation <br />Revegetation will be carried out in a manner to encourage a prompt <br />vegetative cover and recovery of productivity levels compatible with the <br />approved post-mining land use of wildlife habitat and livestock grazing. <br />All disturbed areas will be seeded or planted to achieve a permanent vege- <br />tative cover of the same seasonal variety native to the area. The vegeta- <br />tive cover will be that which is capable of self-regeneration and plant <br />succession and equivalent to the natural vegetation of the area. <br />The proposed reclamation schedule is presented in Table 2.05.4.A. The <br />following subsections describe the major aspects of the proposed revegeta- <br />ti on plan. <br />2.05-50 <br />1 i _ <br />