Franklin shaft and engine house.
Franklin copper stamp mill Hancock.
Huron mine, Houghton mine, Hancock and Houghton, Michigan.
General view of the Quincy copper mine from the Pewabic, Hancock, Michiagn.
Hancock and Houghton, Michigan mine railcar.
Train of empty oar cars rounding the curve at Goose Lake.
General view of works at Amygdaloid Copper Mountain, Eagle Harbor.