Arch Coal, Inc. engages in the production and sale of steam and metallurgical coal from surface and underground mines located in the United States. As of December 31, 2012, it operated or contracted out the operation of 32 mines, and owned or controlled approximately 5.5 billion tons of proven and probable recoverable reserves. The company also owned or controlled primarily through long-term leases approximately 32,135 acres of coal land in Ohio; 25,104 acres of coal land in Maryland; 46,716 acres of coal land in Virginia; 418,713 acres of coal land in West Virginia; 107,641 acres of coal land in Wyoming; 267,571 acres of coal land in Illinois; 62,010 acres of coal land in Utah; 239,863 acres of coal land in Kentucky; 19,428 acres of coal land in Montana; 21,802 acres of coal land in New Mexico; and 18,443 acres of coal land in Colorado. In addition, it owned or controlled through long-term leases smaller parcels of property in Alabama, Indiana, Washington, Arkansas, California, and Texas. Arch Coal, Inc. sells coal to power plants, steel mills, and industrial facilities. The company was founded in 1969 and is headquartered in St. Louis, Missouri.

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