Laserfiche WebLink
<br />1313 Sherman Street, Room 215 <br />Denver, CO 80203 <br /> <br />October 6, 2014 <br /> <br /> <br />Tonia Perkins, P.E. <br /> <br />Trapper Mining, Inc. <br /> <br />P.O. Box 187 <br /> <br />Craig, Colorado 81626 <br /> <br /> <br />RE: Trapper Mine; DRMS Permit No. C-1981-010 <br />Semi-annual Geotechnical Monitoring ReportSeptember 2014 <br /> <br />Dear Ms. Perkins, <br />The Colorado Division of Reclamation, Mining, and Safety (Division) has reviewed the Semi-annual <br />th <br />Geotechnical Monitoring Report (GMR) for the Trapper Mine that is dated September 25, 2014. It was <br />th <br />received by the Division on September 29, 2014. <br />The Divisions engineering staff reviewed the report and indicated that Station 8 continues to collect and <br />report GPS and Inclinometer data, and the new GPS Stations 9 and 10 have been installed. GPS Station 7 <br />th <br />was decommissioned on May 20, 2014. The quantity of data being reported by Trapper Mining, Inc. <br />appears to be adequate, and no failures appear to be imminent. The report contains data that was collected <br />from Station 7, however the map submitted with the report does not depict the location of this station. <br />Please submit a revised aerial photo depicting the location of this station. <br />If you have any questions please feel free to contact me at (303) 866-3567 ext. 8120. <br />Sincerely, <br /> <br />Jared Ebert <br />Environmental Protection Specialist <br /> <br />1313 Sherman Street, Room 215, Denver, CO 80203P 303.866.3567 F 303.832.8106 http://mining.state.co.us <br /> <br />John W. Hickenlooper, Governor | Mike King, Executive Director <br />