The Lake Superior Copper Mystery | Isle Royale |
9:36
‘Why in God’s name should Trump get a thank you?’: Fmr. Russia ambassador shreds Vance over Ukraine
28:10
Old Copper Culture: North America's Forgotten Metal Workers
32:13
The search for Great Lakes shipwrecks
26:47
Isle Royale | Under the Radar Michigan Full Episode
29:30
This Is Why You Can’t Go To Antarctica
28:15
How Bad Was The Younger Dryas? Causes-Megafauna-Civilization
35:46
Michigan Copper Mining: The Black Powder Era
52:50