Mine: Corey "40" Mine, Stambaugh, MI

Berkshire Mine → Corey "40" Mine → Became

From: 1922

Location: NE-SW Sec. 6 of T42N-R34W

Owned by: Brule Mining Co. (Oglebay, Norton & Co. agent)

Produced: Iron Ore, soft, red, high phosphorus.

Method: Underground, by stoping method. Depth: 400 feet.

Railroad connection: C&NW to Escanaba docks.

Until: 1928

Lifetime Production: 67,616 tons between 1922-1928 (included in Berkshire shipments)