C. Henry Besten

Arch Western Resources LLC engages in mining, processing and marketing of coal in United States. It primarily processes and markets bituminous and sub-bituminous coal with low sulfur content. It operates active mines and low-sulfur coal-producing regions of the United States. The company is headquartered in St. Louis, MO.

Part of Arch Resources, Inc., Arch Energy Resources LLC is a company that specializes in bituminous coal and lignite surface mining. The company is based in St. Louis, MO.