Began → Medora Mine → Became
Operated for:
From:
Owned by: Keweenaw Copper Company
Produced: Copper Ore
Method: Underground shaft mining.
Railroad connection: Keweenaw Central.
Stamp Mill/Smelter:
Until: 1909.
Lifetime Production:
1909. Mining ceases on the Medora shaft by the Keweenaw Copper Company.
