19-X-1
International Union of Mine, Mill & Smelter Workers, and 25 Companies involved: 8 Companies (Federal Mining and Smelting Co., Sunshine Hill, Bunker Hill, Sullivan Mining, American Lead, Howe Sound, etc.)
International Union of Mine, Mill & Smelter Workers, and 25 Companies involved: 8 Companies (Federal Mining and Smelting Co., Sunshine Hill, Bunker Hill, Sullivan Mining, American Lead, Howe Sound, etc.)