Lake Superior's Lava Legacy: An Introduction
45:59
The Mysteries Of North America's Great Lakes | Naked Science | Spark
8:33
An Introduction to Michigan Geology
13:12
The Biggest Lava Flow on Earth (Might Be in Michigan)
1:16:10
5/10/22 Geology of Lake Superior's North Shore
4:13
Michigan Geology | Precambrian | Portage Lake Volcanics
4:47
Qu'est-ce qui fait la grandeur des Grands Lacs ? - Cheri Dobbs et Jennifer Gabrys
13:59
Lake Superior and the Midcontinent Rift: the billion year story
1:26:06