Scientist killed in Mount St. Helens eruption remembered 40 years after deadly blast
13:31
A Dangerous Glacier Grows Inside Mount St. Helens' Crater | Oregon Field Guide
8:46
Harry Truman and Mount St. Helens | KATU In The Archives
31:51
Unearthing the lost stories of Mount St. Helens | Oregon Field Guide (full episode)
10:29
The Most Important Eruption in US History
10:57
Flying Over Mount St. Helens: 1980 Volcanic Eruption Explained
45:42
Minute by Minute: The Eruption of Mount St. Helens
49:20
Up From The Ashes (1990) - Mount Saint Helens Documentary
3:48