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Table 2.05.6-5 <br />Collom Coal Production and Collom Mine Plan Volumetric Balance <br />Collom Pit Units <br />1. Volume of Material in Collom Pit 548,357,000 cu yards <br />(Base of Coal minus premine topo) <br />2. Amount of Coal Removed <br />76,461,100 <br />tons <br />3. Volume of Coal Removed <br />69,510,091 <br />cu yards <br />(based on 81.74 pounds/ft3 in place) <br />4. Overburden/Waste (Line 1 minus Linea) <br />478,846,909 <br />cu yards <br />5. Swell Factor <br />20.0 <br />percent <br />6. Total Overburden/Waste, Swelled <br />574,616,291 <br />Icy <br />7. Volume Available in Pit <br />576,842,545 <br />cu yards <br />(PMT surface minus pit floor) <br />Revision Date: 12/11/15 <br />Collom Revision No.: PR -04 <br />