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Peabo AEI ENERGY Peabody Sage Creek Mining, LLC re C -' Jev Mr. Jason Musick Ftec�a�a�\or, 1 Sherman Street, Room 215 Division 313 ee11 and Safety o�g &Sa�e`1 Denver, CO 80203 -2273 Peabody Sage Creek Mine PO Box 250 36600 Routt County Road 27 Hayden, CO. 81639 November 20, 2014 RE: Peabody Sage Creek Mining, LLC. (PSCM)(Permit No. C- 2009 -087): Minor Revision (TR09- 14) Vegetation Success Criteria for Solid Waste Disposal Area Dear Mr. Musick: PSCM hereby requests a Minor Revision (TR09 -2014) to the approved Sage Creek Mine Permit (C -2009- 087) for minor changes to the vegetation success criteria for the solid waste disposal or landfill area. The landfill is an area comprised of approximately 8.0 acres and was approved for Phase I Bond Release as a part of SL-4 in June of 2010. The landfill was the final reclaimed and seeded area associated with surface mining activities, having been seeded in 2008. For this reason PSCM proposes the vegetation success criteria be changed to that of the more recently disturbed areas associated with the underground mine as described in section 2.05.4 (Reclamation Plan) of the approved mine permit. In addition, this reclamation activity is closer in timing to new disturbance and provides a good transition to more recently approved PSCM standards that are no less stringent than those approved previously for the larger surface mined areas. Only the sagebrush reference area will be used for revegetation success evaluations for the reasons described in section 2.05.4(2)(e)(vi) of the PSCM permit. The premine area of the landfill was predominantly sagebrush. With regard to woody density for the landfill area, these types of smaller reclaimed areas tend to often only achieve a background density woody plant density standard because there is less acreage and opportunity to achieve a concentration area density. The large perimeter and small internal distance relative to emigration of established shrub populations will allow for density to increase in the smaller area over time. Achievement of the postmine land uses will not be impacted. Updates to the permit include minor text changes to Section 2.05.4 (Reclamation Plan). This submittal contains the following items: • DRMS Revision Application • Text Revisions (replace page 2.05 -47, insert page 2.05 -47.1, replace page 2.05 -54) If you have any questions or need additional information please contact me via email at scowmanAyeabodvenergv.com or by phone at (970) 276 -7003.