EMMA MINE Butte District. Silver Bow County. Minerals Yearbook 1941. Page 362, 365, 386. Operated under lease by A.C.M. Large silver producer for year, including by-product silver. Decrease in recovered zinc and lead from zinc-lead ore; gain in zinc and lead as a by-product; one of the leading lead and zinc producers in Montana for the year.
WPA, "Emma Mine" (1941). Minerals Yearbook, All. 364.
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Emma Mine, Butte District, Silver Bow County, Anaconda, silver, lead, zinc