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- Lab number
- Beta-242682
- Material dated
- Charcoal
- Type of date
- Archaeological
- Locality
- Contra Costa
- Date uploaded
- January 15, 2024
- Updater
- Wyoming team
- Date updated
- December 31, 2020
- Normalized Age
- 3270 ± 40
- δ13C (per mil)
- -24.3
- Context
- Feature 04, ash concentration at base of upper midden, overlies Feat. 03 in GAT-5