Front cover of the Yellowstone Volcano Observatory 2020 annual report
By Yellowstone Volcano Observatory
2021 (approx.)
Detailed Description
Front cover of the Yellowstone Volcano Observatory 2020 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/cir1482.
Sources/Usage
Public Domain.