Minnesota Mining A Brief History
Jan 15, 2014· Minnesota Mining A Brief History 1. The importance of Iron Ore 2. History of Iron Mining Iron ore mining first occurred in Minnesota on the Vermilion Iron Range in 1884 and has since occurred on the Mesabi Iron Range, Cuyuna Range, and the Filmore County District. For the past 25 years, all of Minnesota''s iron mining has occurred on the ...