Mt. St. Helens Back from the Dead
- Episode aired May 4, 2010
- TV-PG
- 53m
Nova examines the Mount St. Helens volcano and investigates whether it is soon due for another eruption.Nova examines the Mount St. Helens volcano and investigates whether it is soon due for another eruption.Nova examines the Mount St. Helens volcano and investigates whether it is soon due for another eruption.