Document describing a collection of records held at the Iron Range Research Center documenting the activity of Peter Del Greco, a former United States Steel employee.
Del Greco, Peter; Chisholm (Minn.); United States Steel Corporation; Iron mines and mining--Minnesota.
Document describing a collection of records held at the Iron Range Research Center documenting the activity of the United Steelworkers Local #1437, Calumet, Minnesota
Document describing a collection of records held at the Iron Range Research Center documenting the activities of the United Steelworkers of America Local #1442.
Labor Relations; United Steelworkers of America; Snyder Mining Company;
