History of Kennecott Corporation, Utah
Taken from the Utah History Encyclopedia (Links Added)

Kennecott's overall modernization has vaulted the company to being one of the most efficient copper producers in the world. During the first years of the 1990s, Kennecott Utah Copper, employing 2,400 people, produced approximately 300,000 tons of copper annually plus significant quantities of molybdenum, silver, and gold. In 1993 Kennecott started construction of a new smelter and modernized refinery at the company's Utah Copper operations at a projected cost of $880,000,000--the largest private investment ever undertaken in Utah. The project was projected for completion in 1995, making the new smelter the largest and cleanest copper smelter in the world, capturing 99.8 percent of the sulfur contained in the copper concentrates. Kennecott, under RTZ, continued to expand in various mining ventures in the United States and throughout the world.

See: T.A. Rickard, The Utah Copper Enterprise (1919); Kennecott Copper Corporation, All About Kennecott: The Story of Kennecott Copper Corporation (1961); Leonard J. Arrington and Gary B. Hansen, The Richest Hole on Earth: A History of the Bingham Copper Mine (1963).

Louis J. Cononelos and Philip F. Notarianni

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