Minesota Mine
Michigan, United States
The Minesota Mine is a former copper mine near Rockland, Ontonagon County in the Upper Peninsula of the U.S. state of Michigan. The Minesota (the single "n" in the name was a mistake in the original incorporation papers) was one of the most productive and famous early mines in the Michigan Copper Country.
Mine data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).