2022-04-08_PERMIT FILE - C1981044A

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2.05 APPLICATION FOR PERMIT FOR SURFACE OR UNDERGROUND MINING ACTIVITIES-MINIMUM REQUIREMENTS FOR OPERATION AND RECLAMATION PLANS 2.05.1 OBJECTIVES The objectives of this section are to assure that the Colorado Division of Reclamation, Mining, and Safety(CDRMS) is provided with comprehensive and reliable information on the existing and planned coal mining operations, and to assure that those operations will be allowed to be conducted in compliance with the coal regulations of the Colorado Mined Land Reclamation Board and the Colorado Surface Coal Mining Reclamation Act, Article 33 of Title 34 as amended Colorado Revised Statutes of 1973. Information presented in this permit which addresses Rule 2.05 is referenced as necessary to the applicable environmental baseline information of 2.04 to demonstrate that the operation is being conducted consistent with environmental resources information. 2.05.2 OPERATION PLAN-ESTIMATED AREA FOR LIFE OF OPERATION Moffat County Mining, LLC (MCM), or predecessors, submitted an Operation and Reclamation Plan for the entire area for the life of the proposed operation. In addition, environmental baseline information has been collected for the entire life-of-mine area. The proposed permit boundary shown on all maps and described in the legal description also covers the entire area for the life of the operation. MCM will employ detailed and current engineering designs for all underground mining activities in order to maximize coal recovery. A detailed description of all planned mining operations is contained within Section 2.05.3 Operation Plan-Permit Area. In all cases,proposed mining operations are designed for maximum coal recovery. The area proposed to be affected over the life of the planned operation is shown on the Life-of-Mine Plan Map (Map 22). Electrical transmission lines, county roads, state roads, an oil pipeline, and a railroad traverse the permit area. Facilities overlying the planned operation include office and mine facilities, houses, sediment ponds, and sediment control ditches. Farming activity exists on the hill slopes and in the valley floors. In addition, portions of the Trapper Strip Mine overlay the operation. Particular impacts on these areas and facilities are discussed herein. Active mining was suspended in 1995,and MCM is proceeding with site reclamation,with no further mining planned. The primary mining method to be employed by MCM will be underground longwall. Room and pillar mining will be employed for development of the longwall system, and, if needed, as a supplement to coal production. The primary mining method of longwall will be employed in both the five year mine plan as well as the life-of-mine plan presented in this permit. 2.05.3 OPERATION PLAN-PERMIT AREA Geologic and Mineable Reserves In order to satisfy requirements of the Bureau of Land Management (BLM) R2 P2 Regulations, the geologic and mineable reserves on all Federal Lease tracts are summarized on Table 55, Federal Coal Resource Recovery and Protection Plan (R2 P2). Due to the sensitive nature of this information, it is requested that this information be kept CONFIDENTIAL. MCM has committed to contact either the Regional Director or the District Mining Supervisor if any archeological, paleontological,or cultural resources are discovered during MCM's mining and/or exploration activities. General Description of Exploration and Development Drilling Practices MCM will conduct surface drilling programs to evaluate mine roof conditions, seam thickness, seam quality and other mining parameters during periods of active mining. The majority of all future sites will be completed within the present mine permit (C-81-044) boundary. When necessary, roads will be constructed to sites in accordance with guidelines outlined in the following narrative. A small water control berm will be constructed on the downgradient edge of drill-pads to prevent potential suspended solids migration from the pads. RN18-07 2.05-1 Revised 07/10/18