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- Lab number
- Beta-246049
- Material dated
- Charcoal
- Type of date
- Geological
- Locality
- Contra Costa
- Date uploaded
- January 15, 2024
- Updater
- Wyoming team
- Date updated
- December 31, 2020
- Normalized Age
- 4090 ± 40
- δ13C (per mil)
- -25.2
- Context
- PG&E Line 131 bore pit, Trench 1, 2Ab horizon with FCR