Plant Fossils in the Pacific Northwest
56:33
Supercontinents and the Pacific Northwest
1:09:23
Exotic Terranes of the Pacific Northwest
1:39:11
The Greening of the Earth: Plant Evolution and the Fossil Record with Eric Fuselier
39:10
Explore Numerous Layers of Petrified Trees: Yellowstone National Park
26:56
Discovery Tales #6 Round Mountain
1:16:20
Ice Age Arizona: Plants, animals, & people
1:10:50
Supervolcanoes in the Pacific Northwest
1:13:51