Began → St. Mary Mine → Became
Operated for:
From: 1863
Owned by:
Produced: Copper Ore
Method:
Railroad connection:
Stamp Mill/Smelter:
Until:
Lifetime Production:
St. Mary Mine was first worked in 1863 and ultimately had three shafts. It was located south of the Boston location in Houghton County. The mine was ultimately not profitable.
