The Spiro Tunnel complex of the Silver King Consolidated Mine Company, ca.1920s. (Image: 1990-31-2, Bea Kummer Collection)
Silver King mine buildings with the hoist room and headframe pictured. (Image: 1990-5-17, Leon Stanley Collection)
The Keetley Tunnel (Ontario Drain Tunnel #2) area of the Ontario Mine, ca.1930s. (Image: 1990-5-5, Leon Stanley Collection)
