Michigan Copper Mining: The Black Powder Era
31:36
Michigan Logging Tools
20:17
DISCOVERING | Copper Country
28:10
Old Copper Culture: North America's Forgotten Metal Workers
29:32
Keweenaw Crossing: Michigan's Elevator Bridge
16:44
The 1947 Centralia Mine Disaster
11:42
Visiting The World’s Deepest Open Pit Mine - Kennecott Copper Mine
26:47
UP Adventure | Under the Radar! Michigan
17:28