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STATE OF COLORADO <br />DIVISION OF MINERALS AND GEOLOGY <br />Department of Natural Resources <br />1313 Sherman St., Room 215 <br />Denver, Colorado 00203 <br />Phone: (303) B6(r3567 <br />FAX: (303) 832.8106 <br />27 February 2006 <br />Mr. Tay Tonozzi <br />Colowyo Coal Mine <br />5731 State Highway 13 <br />Meeker, CO 81641 <br />Re: Colowyo Mine C-1481-014 <br />Request for Minor Revision for Weed Control Plan <br />Dear Mr. Tono7zi, <br />COLORADO <br />DIVISION O F <br />MINERALS <br />GEOLOGY <br />AFCIANAr10N•NINING <br />SAfETY•SCIENCE <br />BIII ~WenS <br />Governor <br />Russell George <br />Executive Director <br />Ronald W. Cattany <br />Division Director <br />Natural Resource Trustee <br />On !December 2005 the Division sent out a letter (attached) detailing the new vegetation Rule <br />changes, which became effective on 30 November 2006. Item 3 of this letter discussed the new <br />requirement under Rule 4.15.1(5) for a weed control plan for each mine site. Rule 4.15.1(5) <br />states the following: <br />Each operator shall submit a weed management plan that will become part ofthe permit <br />requirements. Species to be considered shall be noxious weeds as set forth in the permit. <br />The plan shall also address invasion of other weed species that seriously threaten the <br />continued development of desired vegetation. Weed control methods shall also be used <br />whenever the inhabitation of the disturbed area by weeds threatens further spread of <br />weeds to nearby areas. <br />The 1 December 2005 letter requested that, if a plan was already not in the permit, one be <br />submitted in the form of a Minor Revision by I March 2006. A review of the Colowyo Mine <br />permit has shown that there is no weed control plan in place. While the Colowyo Mine does have <br />an aggressive weed control program, it is not detailed in the permit. <br />As requested in the 1 December 2005 letter, please submit a Minor Revision detailing Colowyo's <br />weed control plan by I March 2006. Please contact me if you have any questions or need any <br />additional information. <br />Sincerely, <br />James R. Stark <br />Environmental Protection Specialist <br />Office of Office of Colorado <br />Mined Land Reclamation ARive and Inagive Mines Geological Survey <br />