Rio Tinto''s Kennecott Ut Copper Copperton Concentrator ...
Rio Tinto''s Kennecott Ut Copper Company (KUCC), is the second largest copper producer in the United States currently providing 25% of all copper supply. Located in the Salt Lake City Valley, KUCC has been in operation for 108 years. They have produced more copper—19 million tons—than any other mine in the world.