Global Volcanism Program | Image GVP-02921
A hot rock sample collected by U.S. Geological Survey scientists during a period of lava dome growth in the crater of Mount St. Helens in September 1981 burns a cloth sample bag.
Photo by Terry Leighley, 1981 (U.S. Geological Survey).
This image is made available as a Public Domain Work, but proper attribution is appreciated.
Galleries: Fieldwork
Keywords: field work | sample
St. Helens