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- Lab number
- Beta-13140
- Material dated
- Charcoal
- Type of date
- Archaeological
- Locality
- Grand
- Date uploaded
- January 18, 2024
- Updater
- Wyoming Team
- Date updated
- December 31, 2020
- Measured Age
- 4170 ± 120
- Context
- Ash layer, west profile, lower (#4)
- Comments
- Ash layer in lower west profile; 4 layers of chaff