Kalama age, dark andesite flows include a lava-flow complex on the ...
By Volcano Hazards Program
1905 (approx.)
![Kalama age, dark andesite flows include a lava-flow complex on the ...](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/vhp_img994.jpg?itok=RrvliSxC)
Detailed Description
Aerial view of Mount St. Helens, taken from the southwest.
Aerial view of Mount St. Helens, taken from the southwest.