The Hull-Rust-Mahoning mine established in 1892 in Hibbing is one of the largest open pit iron ore mines in the world, with a 1.5 by 3.5 mile footprint and depths up to 600 feet. It supplied as much as a fourth of all the ore mined in the U. S. during its peak production during WWI and WWII.
Contributing Institution:
University of Minnesota Duluth, Kathryn A. Martin Library, Northeast Minnesota Historical Collections
The Hull-Rust-Mahoning mine established in 1892 in Hibbing is one of the largest open pit iron ore mines in the world, with a 1.5 by 3.5 mile footprint and depths up to 600 feet. It supplied as much as a fourth of all the ore mined in the U. S. during its peak production during WWI and WWII.
Contributing Institution:
University of Minnesota Duluth, Kathryn A. Martin Library, Northeast Minnesota Historical Collections
View of Oliver Iron Mining Company Canisteo District mining activity near Trout lake at Coleraine. OIM's original experimental washing plant to right of center.
Contributing Institution:
University of Minnesota Duluth, Kathryn A. Martin Library, Northeast Minnesota Historical Collections