IRON RANGE RESEARCH CENTER Archival Collections

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- Butler Brothers and Hanna Mining Company Records Finding Aid
- Document describing a collection of records held in the Minnesota Discovery Center Archives documenting the activity of the Butler Brothers and Hanna Mining Company.
- Andreas, B.M.; Bedard, Earl W.; Bemis, John E.; Butler, Cooley, 1868-1965.; Butler, Emmett, 1870-1955.; Butler, Hazen; Butler, John 1861-1926; Butler, Patrick, 1900-1990; Butler, Pierce, 1868-1939; Butler, Walter, 1858-1933; Butler, William,...
- Manuscripts Collection
- Butler Tac laborer
- Butler Taconite Mine interior, featuring laborer tending conveyor belt
- Cooley, MN, Butler Taconite Mine; Iron Mining; Mining equipment; Machinery; Facilities; Mine buildings; Laborers; Conveying systems;
- Photo Collection
- Butler Tac laborer
- Butler Taconite Mine interior, featuring laborer tending conveyor belt
- Cooley, MN, Butler Taconite Mine; Iron Mining; Mining equipment; Machinery; Facilities; Mine buildings; Laborers; Conveying systems;
- Photo Collection
- Butler Taconite
- Butler Taconite mining operations in winter, featuring fuel tanks, and conveyor
- Cooley, MN; Butler Taconite Mine; Iron mining; Strip mining; Machinery; Mining equipment; Shovels; Fuel tanks; Conveying systems; Mine buildings; Facilities;
- Photo Collection
- Butler Tac conveyor
- Butler Taconite plant interior, featuring conveyor belt and florescent light
- Cooley, MN; Butler Taconite Mine; Iron mining; Facilities; Mining buildings; Machinery; Mining equipment; Conveying systems;
- Photo Collection
- Butler Taconite looking South West
- Butler Taconite, featuring Patrick Plant & heavy media trails conveyor
- Cooley, MN; Butler Taconite Mine; Iron mining; Strip mining; Parking lots; Automobiles; Trucks; Conveying systems; Dump trucks; Shovels; Fuel tanks;
- Photo Collection
- Spruce Open Pit Conveyor System, Eveleth, Minnesota
- 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;
- Map Collection
- Conveyor
- Cuyuna Mine, featuring rock pouring in onto conveyor
- Oak Lawn Township, MN; Cuyuna Mine; Iron mining; Mine buildings; Facilities; Machinery; Mining equipment; Conveying systems;
- Photo Collection
- Conveyor and loader
- Cuyuna mining conveyors and loader
- Oak Lawn Township, MN; Cuyuna Mine; Iron mining; Mine buildings; Facilities; Machinery; Mining equipment; Conveying systems;
- Photo Collection
- Cuyuna Mine conveyor
- Cuyuna open pit mine, featuring conveyor
- Oak Lawn Township, MN; Cuyuna Mine; Iron mining; Machinery; Mining equipment; Conveying systems;
- Photo Collection
- Cuyuna mining operations
- Cuyuna open pit mine, featuring dragline, bulldozer, conveyor, and facilities
- Oak Lawn Township, MN; Cuyuna Mine; Iron mining; Strip mining; Machinery; Mining equipment; Conveying systems;
- Photo Collection
- Kevin Screen Plant & Pit Conveyor
- Dump truck #53 unloading at Kevin Pit screen plant, featuring conveyor
- Cooley, MN, Kevin Mine; Iron Mining; Strip mining; Mining equipment; Machinery; Conveying systems; Facilities; Mine buildings; Dump trucks;
- Photo Collection
- Feigh conveyor
- Feigh open pit mine, featuring dirt pouring from conveyor and mining facility
- Ironton, MN; Feigh Mine; Iron mining; Strip mining; Machinery; Mining equipment; Conveying systems; Automobiles;
- Photo Collection
- Conveyor
- Feigh open pit mine, featuring mining equipment and conveyor
- Ironton, MN; Feigh Mine; Iron mining; Strip mining; Machinery; Mining equipment; Conveying systems;
- Photo Collection
- Feigh conveyor
- Feigh open pit mine, featuring shovel pouring dirt into facility and conveyor
- Ironton, MN; Feigh Mine; Iron mining; Strip mining; Machinery; Mining equipment; Conveying systems; Bulldozers;
- Photo Collection
- Hunner conveyor
- Hunner mining facility interior, featuring ore conveyor
- Coleraine, MN; Hunner Mine; Iron mining; Machinery; Mining equipment; Conveying systems; Facilities; Mine buildings;
- Photo Collection
- Feigh Mine drag line
- Iron mining operation, featuring drag line shovel and conveyor belt
- Ironton, MN; Feigh Mine; Iron mining; Machinery; Mining equipment; Strip mining; Shovels; Bulldozers; Conveying systems;
- Photo Collection
- Conveyors
- Iron mining operation, featuring loaded conveyor belt
- Iron mining; Strip mining; Machinery; Mining equipment; Conveying systems; Mine railroads; Mine railroad cars;
- Photo Collection
- Kevin Pit Screening plant and conveyor
- Kevin open pit mine operations, featuring screen plant and conveyors
- Cooley, MN; Kevin Mine; Iron mining; Strip mining; Machinery; Mining equipment; Mine buildings; Facilities; Dump trucks; Conveying systems;
- Photo Collection
- Kevin Pit Screening plant and conveyor
- Kevin open pit mine operations, featuring shovel arm and screen plant
- Cooley, MN; Kevin Mine; Iron mining; Strip mining; Machinery; Mining equipment; Mine buildings; Facilities; Dump trucks; Shovels; Conveying systems;
- Photo Collection

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