Digital Library Search
![The Obsidian Cliffs amer0174.jpg The Obsidian Cliffs](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_amer0174.jpg?itok=npo8PkAG)
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.)