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August 23, 2007 ~'"• ^~' ^ tom' ~ V E n <br />Mr. James R. Stark 1U07 <br />Environmental Protection Specialist AlJti L ~ " <br />Colorado Division of Minerals and Geology Division or Re.aamation, <br />Department of Natural Resources Mining and Safety <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203 <br />RE: 'Technical Revision No. 67, Permit Boundary Reduction and Clean-up Revision to Eliminate <br />]Duplicate Maps, Colowyo Coal Mine, Permit No. C-81-019. <br />Deaz Mr. Stark, <br />Enclosed please find three copies of materials provided for Technical Revision No. 67. This change is a <br />reduction of acres contained inside the permit boundary, and aclean-up revision which corrects problems <br />identified during the final consolidation of the PR-02 revision. <br />There are currently two versions of several of the maps within the permit document. Typically, the Volume <br />6 and 7 version of these maps are identical to the Volume 14 version, except that the South Taylor version <br />has an updated permit boundary. This change would eliminate Maps 1, 2, 3, 7, 13, 14, 15, 16 and 17 from <br />Volumes 6 and 7 and replace those drawings with an insert referring the reader to Volume 14. A blank page <br />has been prepared for each eliminated map referring the reader to the current version. <br />Following incorporation of PR-02 materials, it was noted that the permit boundary description in Volume <br />2A, Exhibit 1, Item 12 is now out of date as it only describes the former boundary. A revised permit <br />boundary descrintion has been undated in Volume 2A, Exhibit 1, Item 12. <br />Upon approval of the permit boundary reduction, many of the maps will now have an outdated permit <br />boundazy. To correct this discrepancy, individual map stickers have been prepazed to identify the outdated <br />boundary during the interim. Colowyo would like to submit a minor revision within six months (February 1, <br />2008) of this submittal date. This minor revision will address updating the permit boundary on all maps <br />contained within Colowyo's permit document with this revised permit boundazy. <br />Also enclosed with this submittal is a change of index sheet. <br />If you should have any additional questions or concerns about this submittal please feel free to contact me at <br />your convenience at (970) 824-1532. <br />Sincerely, <br />~'`~ <br />Tony Tennyson <br />Envirorunental Engineer <br />Encl. 3 capies <br />ca file CF 1.1.2.56, 2007 w\encl <br />