Cliffs Natural Resources Inc. is a mining and natural resources company. The Company is a supplier of iron ore pellets to the North American steel industry from its mines and pellet plants located in Michigan and Minnesota. The Company also produces low-volatile metallurgical coal in the United States from its mines located in Alabama and West Virginia. In addition, it operates an iron ore mining complex in Western Australia and owns two non-operating iron ore mines in Eastern Canada. The Company operates in segments: U.S. Iron Ore, Asia Pacific Iron Ore and North American Coal. In the United States, it operates five iron ore mines in Michigan and Minnesota and two metallurgical coal operations located in Alabama and West Virginia. Its Asia Pacific operations consist of its Koolyanobbing iron ore mining complex in Western Australia.