Peabody Energy Corp. engages in the business of coal mining. It operates through the following segments: Powder River Basin Mining, Midwestern U.S. Mining, Western U.S. Mining, Seaborne Metallurgical Mining, Seaborne Thermal Mining, and Corporate and Other. The Powder River Basin Mining segment consists of its mines in Wyoming. The Midwestern U.S. Mining segment includes Illinois and Indiana mining operations. The Western U.S. Mining segment reflects the aggregation of its New Mexico, Arizona, and Colorado mining operations. The Seaborne Metallurgical Mining segment covers mines in Queensland, Australia. The Seaborne Thermal Mining segment handles operations in New South Wales, Australia. The Corporate and Other segment includes selling and administrative expenses, results from equity affiliates, corporate hedging activities, and trading and brokerage activities. The company was founded by Francis S. Peabody in 1883 and is headquartered in St. Louis, MO.