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EXHIBIT 13C <br />Collom Pit and Temporary Spoil Pile <br />Tables 13C-23 through 13C- 27 provides the volumes necessary to backfill, regrade and reclaim <br />the Collom box cut and temporary spoil pile. <br />Table 13C-23 Collom Pit Backfill <br />Area Cut (Cubic Yards) <br />Collom Pit 6,608,464 <br />Table 13C-24 Out of Pit Temporary and Permanent Spoil Pile Volume* <br />Total (Cubic Haul Distance Average Grade <br />Area <br />Yards) feet) <br />Temporary Spoil Pile 26,000,000* 3,940 3 <br />This is the total amount of both temporary and permanent excess spoil that can be place out of <br />pit. Please refer to Table 13C-23 for the total cubic yards of temporary spoil that will be used as <br />backfill in the Collom Pit. <br />Table 13C-25 Collom Pit and Temporary Soil Pile Topsoil <br />Topsoil Replacement Haul Distance I Average <br />Acres <br />Area <br />Disturbed <br />Volume (Cubic feet) Grade (%) <br />Yards) <br />Collom Pit & 684.4 1,412,134 5,144 3 <br />Temporary Spoil <br />Pile <br />Table 13C-26 Collom Pit and T mporary Spoil Pile Reve etation <br />Area Acres to be Reseeded <br />Collom Pit & 857.9 <br />Temporary Spoil Pile <br />Volume 20 Page 16 Revision Date: 9/19/22 <br />Revision No.: RN-08