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Impacts of Mining on Surface Water Quality <br />This paragraph is no longer applicable. <br />Surface coal mining will be conducted at Energy Mine No. 3 in Section <br />19, Township 5 North, Range 86 West. Topsoil materials were previously <br />salvaged from the proposed mine site and stockpiled, pending redistribution <br />in accordance with Rule 4.06.4. The only new disturbance of soils within <br />the proposed permit area will occur on the 5.3 acre tract west of the Middle <br />Creek Underground Mine highwall. Suitable plant growth media shall be <br />stripped to a depth of 18 inches and immediately redistributed on regraded <br />spoils. <br />The Middle Creek Underground Mine portal area was developed at the base <br />of a final cut in Section 12, Township 5 North, Range 86 West. Reclamation <br />of the portal pit and the highwall created by the surface mining operation <br />will involve backfilling the excavations with non-acid forming, non-toxic <br />forming spoils and regrading to approximate original contour. Backfilling <br />of the middle Creek Mine staging area is scheduled to begin in 1984. <br />All other disturbed areas that were previously mined have been regraded <br />to approximate original contour, topsoiled and seeded. The present posture <br />of the mining and reclamation operations must be kept in mind when <br />evaluating hydrologic impact and mitigation measures. <br />_'/ ./ <br />• PRA <br />2.05-]37 Revised_3/14/89 <br />~' <br />