Butte, Montana (112.497W
45.955N), was an important mining center in 1941, with
deposits of copper,
manganese (62,000 tons per
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.
Van Royen and Bowles (1952)
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