Mine: Swanzy Mine, Princeton, MI
Began → Swanzy Mine → Princeton Mine
Owned by: Jonas Pierce.
Produced: Iron Ore
Method: Open pit.
Stamp Mill/Pellet Plant:
On lot 4 of Section 18-45-24 northwest of the Princeton Mine. This was a pit mine which was closed in 1884. Reopened again in 1885 by Joseph Wood and J. B.. Maas of Ishpeming. [LSMI-1909]