EMMA MINE Summit Valley District. Silver Bow County. Minerals Yearbook 1945. Page 402, 385. Anaconda, operators under lease, produced 20,337 tons of zinc-lead middlings from the treatment of manganese ore. Important sources of silver. One of the leasing lead producers in the state. Leading zinc producer.
WPA, "Emma Mine" (1945). Minerals Yearbook, All. 363.
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Emma Mine, Summit Valley District, Silver Bow County, Anaconda, lead, zinc