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.~ ~• _ . <br />bilized and soil erosion and plant damage is unlikelq to occur <br />during spring runoffs. Seedlings and young plants could be washed <br />out and the graded top soils eroded with deep gullies during heavy <br />runoff periods until enough vegetation on the permit area can <br />hold the soil in place. The buried culvert pipes need not be <br />dug up and removed but the open channels must be inspected per- <br />iodically for erosion. After three or four years the open chan- <br />nels could be filled in and graded or maintained indefinitely <br /> by future owners. <br /> (D) Power Lines: All power lined and telephone poles and eq- <br /> uiptment will .be removed with the assistance of the local public <br /> utilities at the time the Blue Flame Coal Nine is abandoned. <br /> <br /> The only line that may be left intact would be those so deeme3 <br />necessary for use by future owners. <br />(E) Coal Stockpiles: All coal stickpiles will be sold and the <br />residue (base cover) used for backfilling the portals. The res- <br /> <br />i^ <br />~~ . <br />~:. <br />~µ`: <br />~'~` <br />~~ <br />a.- <br />~:~: <br />idue is mostly shale and sandstone rock mixed with small amounts <br />of coal. These small amounts of coal are not expected to create <br />any toxicity problem. <br />(F) Sealing 19ine Ooeninrs: As required by law all mine portals <br />to the Blue Flame Coal Mine will be backfilled and sealed against <br />inflows of surface water and access by animals or people. After <br />backfilling, the mouth of the portals can be shot down with ex- <br />plosives to completely seal them. Thereafter, the area will be <br />graded and smoothed over, top soil redistributed and readied for <br />revegetation. <br />(G) Gradins and Baclcfillin~: After the surface facilities have <br />