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stipping limit is based on a combination of the location of topsoil stripping (based on soil surveys) <br />and color differences between the topsoil and overburden. <br />Bench 1 overburden is dug by the truck-shovelsho_ve! and loaded into the dump trucks to be <br />transported to the backfill area. Bench 2 overburden below Bench 1 is cast blasted into the empty <br />adjacent pit. Dozers are used to push some of the blasted material into the empty pit from the blast <br />area following a cast blast. Any remaining Bench 2 above the coal is stripped and transported via <br />truck-sh snovei and dump truck to the empty pit. areas. <br />From the 1998 soil survey, the Bench 1 suitable material is differentiated from the bottom of Lift <br />B (which is the C soil horizon) by greater percentage of coarse fragments. <br />August 2013 (PR 08) 2.04.9 -50 <br />