Cliffs Natural Resources Inc., a mining and natural resources company, produces and supplies iron ore. The company operates five iron ore mines in Michigan and Minnesota; and Koolyanobbing iron ore mining complex located in Western Australia, which produces lump and fines iron ore. It also own two iron ore mines in Eastern Canada. Cliffs Natural Resources Inc. sells its iron products to integrated steel companies and steel producers in the United States, China, Canada, and internationally. The company was formerly known as Cleveland-Cliffs Inc. Cliffs Natural Resources Inc. was founded in 1847 and is headquartered in Cleveland, Ohio.