Cross section illustrating a use of a mill and conveyor method to extract iron ore. Refer to Skillings Magazine volume XXVIII pp. 1 & 6-7 for more information regarding this process.
Iron Mining; Eveleth, MN; Oliver Iron Mining Company;
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 in the Minnesota Discovery Center Archives documenting the activity of the Butler Brothers and Hanna Mining Company.
