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C19$v-oo7 <br />5 e r S .rN.?. / v f e?1vwLO?M'?? <br />FINAL REPORT - <br />? ?,? 2 n cs ? <br />NORTH FORK VALLEY SEISMIC NETWORK <br />MONITORING REPORT <br /> <br />1DA145 (eeelvej <br />Z?z7/oy ?v?a .e,?a„Q <br />MOUNTAIN COAL COMPANY <br />WEST ELK MINE <br />SOMERSET, COLORADO <br />17 February 2009 <br />Prepared by <br />Fabia Terra, Ivan Wong, and Danielle Lowenthal-Savy <br />Seismic Hazards Group <br />URS Corporation <br />1333 Broadway, Suite 800 <br />Oakland, CA 94612 <br />FOURTH QUARTER <br />2008