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I • 4.23.2 Division shall nrohibit Auger (Highwall Minine) Minim <br />There is no probable reason to prohibit the highwall mining in light of no anticipated adverse <br />impacts to water quality, fill stability, pit back£illing, increased resource recovery, and highwall <br />mining is designed for zero subsidence to prevent disturbance or damage to powerlines, <br />buildings, or other surface facilities. <br />4.23.2 Backfill and CrradinQ Requirements <br />Highwall mining will be conducted in accordance with the backfilling and grading requirements <br />of 4.14. <br />4.23.2 Highwall Shall be Eliminated <br />Highwall mining is proposed to occur in azeas previously mined with adequate material on hand <br />to backfill the pits with proper static safety factors for stability to the approved postmining <br />topography thereby eliminating all highwalls. Any minimal spoil material generated by the <br />highwall mining operation will be buried at depth in the pit backfill. All coal seams mined will <br />be adequately covered by pit bac)~lling in conformance with the permitted PMT and reclamation <br />plan. No remnant highwalls will be left at conclusion of the reclamation activities and no spoil <br />material will be place on any outslopes. <br />r <br />LJ <br />4.23-3 Revision Date: 9/19/05 <br />Revision No.: TR-60 <br />