Cover of Yellowstone Volcano Observatory 2021 Annual Report
By Yellowstone Volcano Observatory
April 2022 (approx.)
Detailed Description
Front cover of the Yellowstone Volcano Observatory 2021 annual report, which includes a summary of earthquake, deformation, and geyser activity, as well as research investigations and other information. The report is freely available online at https://pubs.er.usgs.gov/publication/cir1494.
Sources/Usage
Public Domain.