An NPS film portraying Yellowstone's extreme geologic forces as they create unique landscapes that support an abundance of life. Duration: 20 minutes, 27 seconds
20 minutes, 27 seconds
Produced by the National Park Service
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Multimedia credited to NPS without any copyright symbol are public domain. Multimedia credited with a copyright symbol (indicating that the creator may maintain rights to the work) or credited to any entity other than NPS must not be presumed to be public domain; contact the host park or program to ascertain who owns the material.
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