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Table 2.04.9-16 Topsoil Mass Balance - Collom Mine Area (continued) <br />Map Unit <br />Surface <br />Area <br />(acres) <br />Components <br />% <br />Depth (inches) <br />Volume (cubic yards) <br />Topsoil <br />Subsoil <br />Topsoil <br />Subsoil <br />50 <br />28.6 <br />Rhone v. - Thin Phase <br />(Fine-Loamy/Loamy-Skeletal) <br />65 <br />12 <br />15 <br />30,015 <br />37,518 <br />55 <br />26.8 <br />Owen Creek <br />60 <br />10 <br />20 <br />21,614 <br />43,229 <br />57 <br />8.2 <br />Cochetopa <br />75 <br />20 <br />12 <br />16,545 <br />9,927 <br />58 <br />81.0 <br />Cochetopa <br />45 <br />16 <br />8 <br />78,409 <br />39,204 <br />Rhone <br />35 <br />18 <br />12 <br />68,608 <br />45,738 <br />60 <br />5.6 <br />Landslide: Mixed components with limited potential for salvage <br />Total <br />1,844.9 <br />1,770,174 <br />2,525,357 <br />This data have been updated based on the revised footprint for the Little Collom X pit and does not <br />include the linear disturbance of the Collom Haul Road to the Gossard Area. <br />Note: Subsoil will not be utilized for reclamation material unless necessary toward the end of mine life. <br />Revised: 03/20/11 <br />