Mining operations and engineering executive for Anaconda, Newmont, Homestake, 1950 to 1995
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Humphrey discusses his family background and education at the University of Arizona; his work as a mining engineer in Mexico, Peru and Africa; his career with the Anaconda and Homestake Mining companies and the McLaughlin Mine; and being chair of …
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Humphrey discusses his family background and education at the University of Arizona; his work as a mining engineer in Mexico, Peru and Africa; his career with the Anaconda and Homestake Mining companies and the McLaughlin Mine; and being chair of the Doe Run Mining Company.
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"Humphrey discusses his family background and education at the University of Arizona; his work as a mining engineer in Mexico, Peru and Africa; his career with the Anaconda and Homestake …"
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