Mount St. Helens -- From the 1980 Eruption to 2000, Fact Sheet 036-00
Mount St. Helens - Wikipedia
The Mount St. Helens Eruption Was the Volcanic Warning We Needed - The New York Times
Mount St. Helens erupts - HISTORY
Decades after catastrophic 1980 eruption, Mount St. Helens is 'recharging' - ABC News
1980 eruption of Mount St. Helens - Wikipedia
Photos: Mt. St. Helens erupts on this date in 1980, killing 57 people – East Bay Times
Today in Earthquake History: Mount St. Helens 1980
Remember Mt. St. Helens' 40th anniversary virtually this year | Washington State Military Department, Citizens Serving Citizens with Pride & Tradition
File:Mount St. Helens eruption memorial, Johnston Ridge.jpg - Wikimedia Commons
40 Years Ago: Lessons From the Eruption of Mount St. Helens | Discover Magazine
Photos: Mt. St. Helens erupts 40 years ago, killing 57 people
Mount St. Helens erupts - HISTORY
Mount St. Helens eruption: Witnesses recall terror, awe when mountain exploded - oregonlive.com
Future Eruptions at Mount St. Helens | U.S. Geological Survey
On the Anniversary of an Eruption, Mount St. Helens Is a Study in Resilience | Portland Monthly
The Eruption of Mount St. Helens in 1980 - The Atlantic
42 years ago: Mount St. Helens woke up and blew her top
Remembering the deadly Mount St. Helens eruption 41 years ago | king5.com
Mount St Helens 40 years on | Nature Reviews Earth & Environment
41 Years After Mount St. Helens' Eruption - UW Combined Fund Drive
Mount Saint Helens: Wednesday marks 42nd anniversary of eruption | KOMO
1980 Eruption Of Mount St. Helens 'Seemed Apocalyptic' : NPR
