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n <br />U <br />A Geopirysicallnvestigation for Creotechnical Engineering Use: <br />Sylvester Gulch Road Seismic Refraction Survey <br />Submitted to: <br />Mr. Michael Peacock <br />Project Manager <br />Mountain Coal Company -West Elk Mine <br />5174 Highway 133 <br />Somerset, CO 81434 <br />Submitted by: <br />UMS, Inc. A <br />1 Valley View Drive, Suite 104 l ~ /' C <br />Montana City, MT 59634 I V I V <br />Ph: 406.933.5300 INC <br />Email: umsi@cableone.net <br /> <br />May 17, 2003 <br />