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6/18/13 State.co.us Executive Branch Mail - Trapper Mine, C- 1981 -010; PR7, Assistance Request <br />Ebert - DNR, Jared <jared.ebert @state.co.us> Tue, Jun 18, 2013 at 9:55 AM <br />To: Marcia Talvitie - DNR <marcia.talvitie @state.co.us> <br />Cc: Alysha Hernandez - DNR <alysha.hernandez @state.co.us >, Sandy Brown - DNR <sandy.brown @state.co.us> <br />Hello Marcia, <br />Trapper Mining, Inc. has submitted a permit revision application (PR7). Part of this revision is an updated East <br />Panel geotechnical evaluation contained in section 3.3.3 of the permit. As you know, a landslide occurred in the <br />east panel of the mine in October of 2006, Trapper submitted a geotechnical monitoring plan to determine the <br />slide plane and to determine parameters for future development of the G and K Pit. PR7 updates this evaluation. <br />It appears this monitoring plan was submitted guides future mining operations plans required by Rule 2.05.2 and <br />Rule 2.05.3. 1 am requesting your help in reviewing the updated information in this section. <br />am required to submit a preliminary adequacy review by July 30th, 2013. If I could have your comments a week <br />or two prior to this date that would be helpful so I can incorporate any issues you have identified into the <br />preliminary adequacy review letter. A copy of the revised pages is attached. Please let me know if you have <br />any questions. <br />Jared Ebert <br />Department of Natural Resources <br />Division of Reclamation, Mining and Safety <br />1313 Sherman Street, Room 215 <br />Denver, Colorado 80203 <br />303 - 866 -3567 ext. 8120 <br />2 attachments <br />Ta ppe r- 3.3.3. pdf <br />1525K <br />Ta ppe r- 3.3.3. pdf <br />1525K <br />https: / /mail.g oog le.conVmai I /u /0 / ?ui =2 &i Ire29129fcb5 &\iev�-- pt &search =i nbox&th= 13f58001 da583el e 1 /1 <br />