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\ ~ Other Existi~ Permit A~rovals - Routt County Special Use Permit No. 99228 (Seneca IIW Mine) Colorado Division of Minerals & Geology Permit No. C-82-057 (includes TR-44 for highwall mining operations - approvals-pending) Colorado Department of Public Health and Environment - \X/atex Quality Division CDPS Water Discharge Permit No. CO-0000221 and Stormwater Permit COR-040169 Colorado Department of Public Health and Environment -Air Pollution Control Division Air Emissions Pernit No. 82RO258F Mine Safety and Health Administration Mine T.D. No. OS-00304 Federal Communications Commission Radio Licenses Bureau of Alcohol, Tobacco, and Firearms Explosives Permit Project DescriptionJNarrative Guidelines for Submittal 1. Describe Type of Project - Highwall muting and related activities. Highwall mining and related operations will occur following completiomof recovery of'suiface-mineable coal and will involve the following sequential acnvities: • Prepazadon of final surface mine bench area(s) £or set-up and operation of highwall mining equipment (may include clean-up and leveling of bench area(s) scaling and stabilization of highwall to dislodge any loose rocks, and face prepazation in mining azea) • Set-up of highwail miner and associated surface support equipment consisting of self- propelled, remote-controlled cutter head unit, crawler-mounted control cab and power P Y g P ~-------- .. - - unit,-arid $elt take=u -and conve oz dischai e towers, which would o ~€iat~fiom eztistin mine benches in the &nal highwall areas • Development of underground en**ies and concurrent coal recovery • Direct coal loading to haulage units or temporary on-bench stockpiling and transfer to haulage units, with coal haulage to Hayden Power Station • Removal of highwall mining equipment following completion of highwall mining operations ' ~ Reclamation of surface mined aeeas consistent with approved mining and reclamation plans In addition to and in conjunction with these and the related surface mining and reclamation activities, SCC -also conducts ongoing road inspection and maintenance, dust control, sedimentation structure inspection and maintenance, and environmental monitoring activities for all active mining areas. 2. Locationand Tvpe of On-Site Facilities/Structures - No additional strucrures or faci]ties will be required for the proposed highwall mining operations. 3. Ac~ea2e and Location of all Disturbed Areas -The proposed highwall mining and related activities will occur within areas previously disturbed by approved surface mining operations. Supplemental recovery of additional coal reserves by highwall mining methods will occur in the areas shown on Figure 2, Seneca IIW Highwall Mining -Existing Conditions and Proposed Mining Activities. Figure 2 shows existing conditions and mining disturbance in surrounding areas, the extent of proposed highwall mining operations, and all mining-related structures and facilities. IP.V'llSuxuCMCe.~y \jwiNUe Prm+~AJi (Cny.NP A.uImn/ 10/I!/61 e/w