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<br />ACKNOWLEDGEMENTS: <br />This report was reviewed by Pete Swanson of the Spokane Research Laboratory of NIOSH/CDC <br />(National Institute for Occupational Safety and Health/Centers for Disease Control and <br />Prevention), Wendell Koontz of Mountain Coal Company and Collin Stewart of Bowie Resources, <br />LLC. Their suggestions and the results of discussions with each are incorporated herein. <br />FIGURES <br />FIGURE NUMBER DESCRIPTION <br />1 Seismic Station Locations, Permit Areas, and Mine Location Map <br />is 2 Station Locations, Epicenter Locations and <br />Mining Activity 4th Quarter, 2006 <br />TABLES <br />TABLE NUMBER TITLE <br />1 Station Location Parameters <br />2 Acceleration vs. Digital Counts <br />3 Preliminary Velocity Model <br />4 Log of 4th Quarter Seismic Events