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Description
The Obsidian Cliffs. Stone from these cliffs is found as far east as theHopewell Mounds in Chillicothe, Ohio, dating to 400 A.D. indicating extensivepre-historic native American trade routes across North America. (Image credit: Dr. David Goodrich)
Photographer
Dr. David Goodrich
Display Date
2011 June 28
Location
Wyoming, Yellowstone National Park
Collection
Small World
United States
NOAA Affiliation
NOAA (ret.)