Cloud Peak Energy Inc. is a producer of coal in the United States of America and the Powder River basin (PRB). The Company owns and operates three surface coal mines: the Antelope Mine, the Cordero Rojo Mine, and the Spring Creek Mine. It operates through two segments: Owned and Operated Mines segment, and Logistics and Related Activities. The Company's Owned and Operated Mines segment is characterized by the focus on thermal coal production. CPE's segment includes the Company's Antelope Mine, Cordero Rojo Mine, and Spring Creek Mine. The Company's Logistics and Related Activities segment is characterized by the services the Company provides to its international and domestic customers. The services provided by CPE include the purchase of coal from third parties or from its owned and operated mines, at market prices, as well as the contracting and coordination of the transportation and other handling services from third-party operators, which are rail and terminal companies.