Empire Mine State Park
Mine Entrance at Empire Mine State Park.
Assay office at mining Museum in Grass Valley.
The Forge in Empire Mine State Park
The 30 foot water wheel at mining Museum in Grass Valley.
Mining Museum in Grass Valley.
Stamp mill at mining Museum in Grass Valley.
Stamp mill at Empire Mine State Park
The blacksmith
The blacksmith forging a horseshoe nail into a salt spoon
