Mine: Commonwealth Group Mines, Commonwealth, WI

Began - Commonwealth Group Mines - Became

Began: 1880

Location: SW Sec. 34 (Commonwealth); S 1/2-SE Sec. 33 (Buckeye); NW-SE Sec. 34 (Davidson); SE-SE Sec. 24 (Badger) all of T40N-R18E

Owner: Commonwealth Iron Co. (Oglebay, Norton & Co. agent and fee owner). After operations were discontinued, property divided and sold.

Iron Ore, gigh phosphous.

Method: Underground, worked by sub-level stoping or caving. epth 825 feet (Buckeye)

Railroad: C&NW to Escanaba docks.

Ended: 1943

Total tonnage: 2,957,884 tons between 18801943

Only known reserve is about 250,000 tons of high sulphur, high-phosphorus ore in the Buckeye.