Laserfiche WebLink
STATE OF COLORADO <br />DIVISION OF RECLAMATION, MINING AND SAFETY <br />Department of Natural Resources <br />1313 Sherman St., Room 215 <br />Denver, Colorado 80203 <br />Phone: (303) 8663567 <br />FAX: (303) 832-8106 <br />6 December 2006 <br />Mr. Tay Tonozzi <br />Colowyo Coal Mine <br />5731 State Highway 13 <br />Meeker, CO 81641 <br />Re: Colowyo Mine C-1981-019 <br />Third Adequacy Review -Technical Revision 63 <br />Deaz Mr. Tonozzi: <br />COLORADO <br />DIVISION OF <br />RECLAMATION <br />MINING <br />- SL- <br />SAFETY <br />Bill Owens <br />Governor <br />Russell George <br />Executive Director <br />Ronald W. Cattany <br />Division Director <br />Natural Resource Trustee <br />The Colorado Division of Reclamation, Mining and Safety (the Division) has reviewed <br />Colowyo Coal Company's responses to the Division's second adequacy review letter for <br />Technical Revision 63 -new post-mining topography. The Division appreciates all of the <br />work that went into the responses, including the work on the post-mining drainages and <br />the new SEDCAD runs. <br />The following letter addresses the original 15 adequacy questions from the Division's 5 <br />Apri12006 and 22 May 2006 (questions 1-15) as well as five additional questions <br />(questions 16-20) based on the Colowyo responses to questions 5, 6, 7 and 10. <br />Rule 4.14 - Backfilling and Grading <br />Response accepted. This was addressed with Colowyo's 8 May 2006 <br />responses. <br />2. Response accepted. This was addressed with Colowyo's 8 May 2006 <br />responses. <br />3. Response accepted. This was addressed with Colowyo's 8 May 2006 <br />responses. <br />4. Response accepted. This was addressed with Colowyo's 8 May 2006 <br />responses. <br />5. Response accepted. The engineering designs and SEDCAD modeling were <br />submitted with Colowyo's 25 July 2006 responses. The Division has <br />Office of Office of <br />Mined Land Reclamation ARive and Inactive Mines <br />