Mine: Stephenson Mine, Princeton, MI
Began → Stephenson Mine → Became
Owned by: Cleveland Cliffs Iron Company
Produced: Iron Ore
Railroad connection: C&NW and LS&I
Stamp Mill/Pellet Plant:
46o 16.162'N - 87o 28.143'W.
Explorations in 1902. The shaft was sunk to the ledge, a distance of 80 feet with water being encountered at 53 feet. The mine began operating in 1907. [LSMI-1909]