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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) 866-3567 <br />FAX: (303) 832-8106 <br />3 February 2011 <br />Mr. Tony Tennyson <br />Colowyo Coal Company, LP <br />5731 State Highway 13 <br />Meeker, CO 81641 <br />Re: Colowyo Mine C-1981-019 <br />Minor Revision 106 <br />Dear Mr. Tennyson: <br />COLORADO <br />D IV IS I ON OF <br />RECLAMATION <br />MINING <br />SAFETY <br />John W. Hickenlooper <br />Governor <br />Mike King <br />Executive Director <br />Loretta E. Pineda <br />Director <br />The Colorado Division of Reclamation, Mining and Safety (Division) has received the <br />Colowyo Coal Company, LP's (Colowyo) submittal of Minor Revision 106. The <br />revision was received on 18 January 2011 and deemed complete on 28 January 2011. <br />The Division has reviewed the submittal and has the following adequacy questions. <br />1. Colowyo has not provided any detail on the timing of the repairs following the rill <br />and gully survey. Colowyo states that a survey will be performed in the spring <br />and that a final report will be submitted to the Division no later than 15 June of <br />the survey year but there is no mention of when Colowyo will fix any rills and <br />gullies. Colowyo states that they will provide an "... anticipated time frame of <br />repair..." but a more detailed description is required. All rills and gullies must be <br />fixed within the same calendar year that the rill and gully survey was conducted. <br />Please provide an additional description of the proposed timing of the rill <br />and gully repair on revised page 4.14-4. <br />2. In question 22(b) of the Division's 10 May 2010 Midterm Review of the Colowyo <br />Mine the Division requested that Colowyo submit a map of the rill and gully areas <br />in the annual rill and gully survey. In the text on revised page 4.14-4 Colowyo <br />states that they will provide "... a general description of the rills and gullies..." <br />While Colowyo can provide a general description of the rill and gully area, a map <br />is essential in locating and tracking any rills and gullies. Please add a <br />commitment to page 4.14-4 to include a map of 1 to 6,000 scale (1-inch equals <br />500-feet scale) that shows the location of the rills and gullies with the annual <br />rill and gully report. <br />Office of Office of <br />Mined Land Reclamation Denver • Grand Junction • Durango Active and Inactive Mines