Butte, Montana (112.497W 45.955N), was an important mining center in 1941, with deposits of copper, manganese (62,000 tons per year), zinc, lead, silver, and gold. The manganese deposits constituted the largest low-grade manganese ore body in the world, and while this was not economical to exploit in peacetime, it eventually supplied 35% of wartime requirements.

Gold was first found here at Big Butte, a prominent bare peak just outside the town, in 1864. The city was incorporated in 1879.

Rail connections


Summit Valley

Klein (2013)

Van Royen and Bowles (1952)

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