Mine: Aetna Mine, Copper Harbor, MI

Sunk → Aetna Mine → Closed

From: 1863 (exploration from 1846)

Owned by: After 1905 taken over by the Keweenaw Copper Company.

Produced: Copper Ore

Method: 1867

Railroad connection:

Stamp Mill/Smelter:

Until: 

Lifetime Production: 

 47.43.417 -87.927.81