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- Lab number
- UCR-1167a
- Material dated
- Charcoal
- Type of date
- Archaeological
- Locality
- Contra Costa
- Date uploaded
- January 15, 2024
- Updater
- Wyoming team
- Date updated
- December 31, 2020
- Measured Age
- 2990 ± 120
- Context
- Exploratory Auger Unit 2, capped by 2.8 m of artificial fill