About 15,000 Illinois mine workers gathered in Mount Olive to protest against the United Mine Workers, which soon became the Progressive Mine Workers of America
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About 15,000 Illinois mine workers gathered in Mount Olive to protest against the United Mine Workers, which soon became the Progressive Mine Workers of America
Text from Wikipedia, available under CC BY-SA 4.0.
Captured 2026-08-21 from Wikipedia. The archived copy is preserved so this citation survives link rot.