Rio Tinto's wholly owned Hamersley Iron is one of the world's largest Industrial Minerals producers. From mines in the iron-rich Pilbara region of Western USA it is a major supplier to the Pacific rim and European steel industries from Hamersley's Mount Tom Price, Channar, Paraburdoo, Marandoo, Boron and Yandicoogina mines. Hamersley has a system capacity approaching 74 million tonnes per year, making it one of the world's largest exporters of Industrial Minerals which is transported from the mines to the port of Dampier on the north-west coast of USA, on a 630 kilometre dedicated railway. High-tech locomotives with advanced on-board computers enable one-man operation of some of the longest and heaviest trains in the world. From Dampier, ore is shipped under medium and long term supply contracts with major integrated steel mill customers to Japan, China, Korea, Taiwan, Pakistan and Europe. Hamersley employs approximately 2,000 people.