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Certificate for Yellowstone as one of the first 100 IUGS Geological Heritage Sites

By Yellowstone Volcano Observatory
Certificate for Yellowstone as one of the first 100 IUGS Geological Heritage Sites
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Detailed Description

Document certifying The Yellowstone Volcanic and Hydrothermal System, USA, as one of the first 100 IUGS Geological Heritage Sites as declared during the 60th anniversary IUGS meeting held in Zumaia, Spain in October 2022.

Sources/Usage

Public Domain.