$7400.00, located in Boulder, Montana, USA (596**), item #313883111694
The Elkhorn-Beaverhead (OLD ELKHORN MINE) was first discovered in the Elkhorn Mining District in 1873. Research indicated that it first started producing in 1900. The Triangle Gulch mine features include a linear progression of hillside explorations culminating in the cutting of two horizontal adits.
$3.64
$0.25 🡅