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III <br />Twentymile Coal, LLC (TC) <br />Geologic and Engineering Data Report <br />Lease by Modification Application — Wolf Creek Reserve April 2014 <br />issued. <br />MINE ENGINEERING SECTION <br />A. <br />13 <br />C. <br />Type of mine <br />Underground, conventional continuous miner development with retreating longwall. <br />Equipment list <br />Major Operational Underground Equipment <br />Quantity <br />Manufacturer and/or Model <br />2 <br />Joy 12CM12/27 <br />4 <br />Joy IOSC32 <br />4 <br />Fletcher Twin Boom <br />2 <br />Stamler <br />2 <br />A.L. Lee <br />4 <br />Kubota <br />150 <br />CAT <br />1 <br />JOY <br />1 <br />JOY <br />2 <br />CAT <br />2 <br />CAT <br />2 <br />CAT <br />Misc. <br />Wagner <br />Misc. <br />DST <br />Misc. <br />Mustang <br />Misc. <br />Assorted <br />Misc. <br />Assorted <br />Misc. <br />Assorted <br />Misc. <br />Assorted <br />Manpower requirements <br />Nomenclature <br />Continuous Miner <br />Shuttle Car <br />Roof Bolter <br />Feeder -Breaker <br />Rock -Dusters <br />Utility Tractors <br />1300 -Ton Longwall shields <br />EL 3000 Longwall shearer <br />7LS5 Longwall shearer <br />Longwall conveyor systems <br />Longwall stageloader systems <br />Mobile Tailpieces <br />Scoops <br />Scoops <br />Skid -Steer Loaders <br />Pumps <br />Fans <br />Electrical distribution equipment <br />Conveyors and related equipment <br />The manpower requirements for the proposed Wolf Creek operations are projected at approximately 210 <br />hourly employees and 60 salaried employees. <br />D. Financial data <br />Equipment costs <br />Manpower costs <br />Other financial data <br />This information to be provided by the Colorado State Office <br />E. Transportation information <br />Type of transportation <br />Coal is transported to the surface by a combination of 60 -inch and 72 -inch conveyor systems, where <br />it is either stockpiled or transferred to an overland conveyor. The overland conveyor transfers the <br />coal to a 1,400 ton -per -hour washplant. Processed coal from the washplant is transferred to the <br />overland belt, which moves the coal to the TC tipple and train loadout stacking tube. Coal is loaded <br />into rail cars at the train loadout and into trucks at a truck loadout, completed in 2007, for <br />WCR BLM Lease App Geologic & Engineeering Data Report 0414.docx Page 6 <br />