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a new overburden swell factor of 15%, which will be evaluated based on the <br />first cut of Mine Area 1. <br />After removal of all coal seams which can economically be recovered, the pits <br />are backfilled and graded. The regraded areas will approximate the original <br />surface contours. Once topsoil, subsoil, or suitable overburden material is <br />placed as the plant growth medium, the area will be seeded and mulched. <br />-7- <br />