Mine: Columbia Mine, Republic, MI

Koman Mine → Columbia Mine → Became

Operated for 10 years.

From: 1873

Located: SW Sec 6 of T46N-R29W lying south of Michagamme River.

Owned by: Kloman Iron Co. then Columbia Iron Ore Co.

Produced: Iron Ore

Method: 

Railroad connection:

Until: 1883

Lifetime Production: 94,813 tons

Notes

Time Line