Approx. 13 mi. S of Mammoth;E. side of US 89, S. of ObsidianCliff Kiosk, Mammoth, Wyoming. County/parish: Park.
Added to the National Register of Historic Places June 19, 1996. NRIS 96000973.
1 contributing site.Also known as:
Obsidian Cliff, also known as 48YE433, was an important source of lithic materials for prehistoric peoples in Yellowstone National Park near Mammoth Hot Springs, Wyoming, United States. The cliff was named by Philetus Norris, the second park superintendent in 1878. It was declared a National Historic Landmark in 1996.
(read more...)National Park Service documentation: https://catalog.archives.gov/id/73730081