Mine: Princeton Mine, Princeton, MI
Swanzy Mine → Princeton Mine → Became
Owned by: Escanaba River Land & Iron Company, in 1905 to the Cleveland Cliffs company.
Produced: Iron Ore
Railroad connection: C&NW, LS&I
Stamp Mill/Pellet Plant:
Shaft #1 - 46o 17.543'N 87o 28.355W
Shart #2 - 46o 17.320'N-87o 28.077'W
Shaft #3 - 46o 17.056'N-87o 27.928'W
C&NW lines were laid to this mining area in 1872, a distance of about six miles.