1952–74 Founder and President of the Marcona Mining Company (financed by Utah Construction Company and Cyprus Mines), which began by operating an iron ore mine out of San Juan, Peru. (This region was named the District of Marcona by the Peruvian government in 1955.)
1952–74 Founder and President of the Marcona Mining Company (financed by Utah Construction Company and Cyprus Mines), which started operating an iron ore mine in San Juan, Peru. (This region was named the Marcona District by the Peruvian government in 1955.)