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Obsidian Cliff

Mammoth, Wyoming
County of Park.
Approximately 13 road miles south of Mammouth,Yellowstone National Park,Wyoming,on the east side of U.S. 89,just south of the obsidian Cliff Kiosk
National Register Number: 96000973
Resource type: Site.
Property type: Industry/Processing/Extract. - processing site. The threat level was Satisfactory in
2008.
Certified Local Government: NO
This NHL offers public access.
Please contact the NHL directly for visitor information.
Current use/information: In Yellowstone National Park. 307-344-7381.

Statement of Significance (as of designation - June 19, 1996):
Obsidian Cliff occupies a unique position in national prehistory as a singularly important source of lithic materials for prehistoric peoples of interior western North America. It is recognized as an exceptionally well preserved, heavily utilized lithic source that served the utilitarian needs and ceremonial requirements or early indigenous peoples over a large area of North America for 12,000 years.

Condition:
There are no threats to report.

The Obsidian Cliff proper has shown no discernable change since the last report. T


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