STATE OF COLORADO
<br />DIVISION OF MINERALS AND GEOLOGY
<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 />May 11, 2006
<br />Carl Johnston
<br />Office of Surface Mining
<br />Western Regional Coordinating Center
<br />P.O. Box 46667
<br />Denver, CO 80201-6667
<br />Re: Colowyo Coal Mine (Permit No. C-1981-019)
<br />Technical Revision Application No. 65 (TR-65)
<br />Revision to Section 16 Pit Advance Limits and Planned Highwall Mining Area Limits
<br />Dear Mr. Johnston:
<br />COLORADO
<br />DIVISION O F
<br />MINESRALS
<br />GEOLOGY
<br />RE OLANATION•NINING
<br />SAFETY•SCIENCE
<br />eal owen5
<br />Governor
<br />Russell George
<br />Executive Director
<br />Ronald W. Cattany
<br />Division DlreCtor
<br />Natural Resource Trustee
<br />The Division of Minerals and Geology hereby issues notice, in accordance with Title 34, Article 33, Section 116, Paragraph 4,
<br />of the Colorado Revised Statutes, that on May 10, 2006, an application to revise coal mining operations at the Colowyo Coal
<br />Mine was considered complete for the purposes of filing. The revision was submitted by Colowyo Coal Company L.P.. All
<br />review and comment periods as provided in the Act and the Regulations initiate from this date of filing.
<br />The Colowyo Coal Company has submitted a technical revision for the Colowyo Mine [o advance the Section 16 Pit to [he
<br />south. This revision includes adding surface mining and highwall mining to the newly proposed Section 16 Pit disturbance.
<br />The proposed extension areas are all within the current mine permit boundary and all of [he coal that Colowyo is proposing [o
<br />mine is currently leased. Colowyo is proposing to disturb an additional 44.0 acres and affect an additional 58.0 acres with this
<br />revision. There will be an increase in the reclamation liability with this revision.
<br />The Division has found that the threatened and endangered species list at the Colowyo Mine may need to be updated. The
<br />Division will forward a copy of any updated study to you for your review.
<br />The surface coal mining operation is on land located approximately 28 miles South of Craig, Colorado. The permit area is
<br />further described as follows:
<br />All or portions of Sections 2, 3, 4, 8, 9, 10, 1 1, 14, 15, 16, 17, 2Q 21 and T3N, R93 W; and Sections 13, I5, 22, 23, 24, 26, 27,
<br />28, 33 and 34, T4N, R93 W; 6th Prime Meridian.
<br />The above-mentioned tracts of land are shown on USGS 7.5 minute Quadrangle map of Axial and Nine Mile Gap.
<br />The applicant is required to publish notice in a local newspaper that this application has been deemed complete. At the time of
<br />publication of this notice, the applicant is additionally required to place a copy of this application at the Moffat County Clerk
<br />and Recorder, 221 W. Victory Way, Craig CO 81625, and at the Division office. For additional information or to provide
<br />written comments, contact the Division of Minerals and Geology, Room 215, 1313 Sherman Street, Denver, Colorado 80203,
<br />(303) 866-3567. In order for us to comply with regulatory time frames, we request that comments be submitted within fifteen
<br />Q S) days of this letter. If no comments are received by then, we will proceed on the assumption that you have no concerns
<br />with, or objections to, the applicant's proposal.
<br />Sincerer __
<br />James R. Stark
<br />Environmental Protection Specialist
<br />C-TKdi~lYd 1019 IRS 20060511 22750 PM Office of Colorado
<br />Mined LandReclamalion - Active and Inactive Mines Geological Survey
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