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Subsidence and Geologic <br />Field Observations <br />Apache Rocks and Box Canyon <br />Mining Areas <br />July 12-15, 2004 <br />Prepared For: <br />Mountain Coal Company, LLC <br />West Elk Mine <br />P.O. Box 591 <br />Somerset, CO 81434 <br />Wright Water Engineers, Inc. <br />September 2004 <br />~,-o~2,wo <br />Prepared by: <br />C. Richard Dunrud, P.E. <br />Adjunct Senior Geological Engineer <br />