International Union of Mine, Mill, and Smelter Workers records, 1950.

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International Union of Mine, Mill, and Smelter Workers records, 1950.

http://www.worldcat.org/oclc/276172197

The International Union of Mine, Mill, and Smelter Workers was the major labor union in the copper industry until 1967. Records consist of a statement and rebuttal (January-February 1950) by the union's officials before a "trial committee" of the Congress of Industrial Organizations (CIO). The CIO had charged the union with Communist activities. (SC 1466)

.1 linear ft.

Montana Historical Society Library

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SNAC Resource ID: 7244648

Montana Historical Society Library

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International Union of Mine, Mill, and Smelter Workers

http://n2t.net/ark:/99166/w6w41mc1 (corporateBody)

The International Union of Mine, Mill, and Smelter Workers (IUMMSW) emerged in 1916 from the more radical Western Federation of Miners (WFM) which organized mine and copper industry workers. IUMMSW reasserted its presence in the western mines, most successfully during the five-month strike in Butte and Anaconda (Montana) in 1934. A founding member of the Congress of Industrial Organizations (CIO), the IUMMSW was expelled in 1950 because of the Union's perceived Communist ties. In 1967, the IUMMS...