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You searched for: Subject Corporate Names United Mine Workers of America. Remove constraint Subject Corporate Names: United Mine Workers of America. All Subjects Coal mines and mining--West Virginia--History--20th century. Remove constraint All Subjects: Coal mines and mining--West Virginia--History--20th century. All Subjects United States. National Industrial Recovery Act of 1933. Remove constraint All Subjects: United States. National Industrial Recovery Act of 1933. Subject Topical Coal mines and mining--Environmental aspects--West Virginia. Remove constraint Subject Topical: Coal mines and mining--Environmental aspects--West Virginia.

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