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I <br />EXHIBIT 60E <br />SUBSIDENCE EVALUATION <br />FOR THE SOUTH OF DIVIDE <br />AND DRY FORK MINING AREAS <br />PREPARED FOR: <br />Mountain Coal Company, LLC. <br />West Elk Mine <br />P.O. Box 591 <br />Somerset, CO 81434 <br />iviviviJi <br />Wright Water Engineers, Inc. <br />September 2007 (Tetra Tech) <br />Revised October 2010 <br />831 - 032.810 <br />7; �_ /Z, � 2-1 � <br />min <br />