Document describing a collection of records held in the Minnesota Discovery Center Archives documenting the activity of the Butler Brothers and Hanna Mining Company.
Document describing a collection of records held at the Iron Range Research Center documenting the activity of an adminstrative official's career in Minnesota iron mining.
Oliver Iron Mining Company--Records and correspondence; Mineral industries
Document describing a collection of records held at the Iron Range Research Center documenting the activity of a male Norwegian fraternal organization in northeast Minnesota.
