Obsidian Cliff, Yellowstone National Park
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Facts and practical information
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. ()
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Yellowstone National Park
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Day trips
Obsidian Cliff – popular in the area (distance from the attraction)
Nearby attractions include: Roaring Mountain, Antler Peak, Semi-Centennial Geyser, Dome Mountain.