"Old" Yellowstone in southern Idaho: amazing deposits of pyroclastic flows from explosive eruptions
24:53
Henrys Fork Caldera: Yellowstone's Last Caldera Eruption Completely in Idaho
27:59
Why Is This A "Sinking Canyon"?
21:35
Trucks, Trains, Terns & Tractors; An Ordinary Rock & Its Amazing Value
58:05
Liberty Gold and the Yellowstone Hotspot
39:10
Explore Numerous Layers of Petrified Trees: Yellowstone National Park
59:50
Gold Geology Of Subduction Zones, North Cascades, Washington State
22:03
"Slip Slidin' Away": The 1993 Bliss Landslide, a dramatic earthflow that diverted the Snake River
40:32