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When exposed coal seams occur in the lover portion of the final highwall, backfill material at the seam <br />locations will be of noncombustible mat real placed in a manner to provide at least four feet of <br />covering. Reclaimed highwalls shall be monitored visually on a quarterly basis to identify any <br />evidence of burning coal. Should <br />extinguish and backfill to the extent <br />indicate coal seams are burning, SCC shall excavate, <br />the burning portion of the coal seam. <br />• <br />• <br />u <br />PR04 12 Revised 04/04 <br />