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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 through approximately 2020. <br />Table 13C-23 Collom Pit Backfill <br />Cut (Cubic <br />Area <br />Yards) <br />Collom Pit 13,500,000 <br />Table 13C-24 Temporary Spoil Pile Removal <br />Total (Cubic Haul Distance Average Grade <br />Area <br />Yards) (feet) (%) <br />Temporary Spoil Pile 13,500,000 3,940 3 - <br />_. - J <br />Table 13C-25 Collom Pit and Temporary Spoil Pile Topsoil <br />Topsoil Replacement Haul Distance Average <br />Acres <br />Area Disturbed Volume (Cubic (feet) Grade (%) <br />Yards) <br />Collom Pit & 419.5 617,738 5,144 3 <br />Temporary Spoil <br />Pile <br />Table 13C-26 Collom Pit and Temporary Spoil Pile Revegetation <br />Area Acres to be Reseeded <br />Collom Pit & 433.5 <br />Temporary Spoil Pile <br />Volume 20 Page 17 Revision Date: 4/27/18 <br />Revision No.: MR -185 <br />