Mine: Ontario Mine, Donken, MI

Began → Ontario Mine → Became

Operated for:

From: 1854

Owned by: 

Produced: Copper Ore

Method: 

Railroad connection:

Stamp Mill/Smelter:

Until: 

Lifetime Production: 

Notes

Ontario Mine was first worked in 1854 near the town on Donken, 23 railroad miles southwest of Houghton.

Time Line