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December 4, 2008 ",vF-D <br />Mr. James R. Stark C D ?oQ? <br />Environmental Protection Specialist gedama"An, <br />Colorado Division of Reclamation, Mining and Safety a'?j$1On and Safety <br />IViinin9 <br />Department of Natural Resources <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203 <br />RE: Technical Revision No. 76, Update of the Highwall Mining Area in South Taylor, Colowyo <br />Coal Mine, Permit No. C-81-019. <br />Dear Mr. Stark, <br />Enclosed please find two copies of materials provided for Technical Revision No. 77. This change updates <br />Map 23A- South Taylor Area to reflect a change in the highwall mining boundary in South Taylor and adds <br />an addendum to the geotechnical study for excess spoil conducted by Shannon and Wilson, Inc. The <br />addendum seeks to comply with the Division's request for a no-subsidence plan and additional soil stability <br />information should highwall mining activities be conducted in the South Taylor Area. The addendum also <br />includes information about the updated beginning and end locations of the valley drains. Also included with <br />the revision package are an application form, the public notice and an index sheet. <br />If you have any questions or require additional information, please feel free to contact me at (970) 824-1529. <br />Sincerely, <br />Lifer Sekuls <br />Environmental Engineer <br />Encl. 2 copies <br />Cc: file CF 1.1.2.66 <br />Colowyo Mine • 5731 State Highway 13 • Meeker, Colorado 81641 <br />T +1 970 824 1500 • F +1 970 824 1504 • www.rtea.com <br />Environmental Engineer <br />(970) 824-1529