Global Volcanism Program | Image GVP-02846
Climbers in 1979 traverse from the top of Dogs Head lava dome on the N flank onto crevassed Forsyth Glacier, with the False Summit of Mount St. Helens to the upper left. The 1980 landslide removed the summit of the volcano.
Photo by Lee Siebert, 1979 (Smithsonian Institution).
This image is made available under the Public Domain Dedication CC0 license, but proper attribution is appreciated.