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World's largest open pit iron mine at Hibbing, Minnesota. The pit is two and a half miles long, three quarters of a mile wide, four hundred feet deep
Public domain

World's largest open pit iron mine at Hibbing, Minnesota. The pit is two and a half miles long, three quarters of a mile wide, four hundred feet deep

Vachon, John · 1941-01-01 · photo, print, drawing

From the collection of Library of Congress. Free to download, adapt and use — no permission needed.

Credit lineWorld's largest open pit iron mine at Hibbing, Minnesota. The pit is two and a half miles long, three quarters of a mile wide, four hundred feet deep. 1941-01-01. Vachon, John. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.

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