Field Discovery and Investigations of the
1980 Eruption of Mt. St. Helens
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Mt. St. Helens as viewed from Windy Ridge Area.
A
lava canyon at Mt.
St. Helens.
Stratigraphic
sequence up-stream from the lava canyon.
Airfall
and pyroclastic mudflow stratigraphy.
Close-up
view of mudflow stratigraphy.
Tree
cast
Tree
cast
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Resources about volcanoes
Back to Field Workshops
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