Obsidian Cliff
- Also Known As: 48YE433
- Address: E side Grand Loop Rd (US 89)
- Vicinity: About 13 mi S of Mammoth, S of Obsidian Cliff Kiosk
- Demesne of Mammoth in Yellowstone National Park, MT, WY
| Particulars for Obsidian Cliff: | |
|---|---|
| Cultural Affiliation | American Paleo-Indian |
| Area of Significance | Commerce |
| Criteria | Exemplar |
| Owner | Federal |
| Area of Significance | Industry |
| Criteria | Information Potential |
| Cultural Affiliation | Late Prehistoric |
| Cultural Affiliation | Middle Archaic North American |
| Level of Significance | National |
| Area of Significance | Prehistoric |
| Historic Use | Processing site |
| Sight Category | Site |
| Historic Use | Trade (archeology) |
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