Glaciation and the Great Lakes, an epoch in the making; Andy Breckinridge, PhD, UW-Superior
1:11:03
Minnesota's Geologist: the life of Newton Horace Winchell
1:32:19
The Geologic History of Iowa
45:59
The Mysteries Of North America's Great Lakes | Naked Science | Spark
56:33
Supercontinents and the Pacific Northwest
1:28:45
Fire and Ice The Geologic Story of Lake Superior with Jim Miller - Webinar Replay
2:34:32
Brief Overview of Black Hills Geology/Gold and the Black Hills
1:06:10
An "Idiot's Guide" to the American Upper Paleolithic
1:11:55