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- Lab number
- Beta-248277
- Material dated
- Bone
- Taxa dated
- mammal, small
- Type of date
- Archaeological
- Locality
- Contra Costa
- Date uploaded
- January 15, 2024
- Updater
- Wyoming team
- Date updated
- December 31, 2020
- Normalized Age
- 3830 ± 40
- δ13C (per mil)
- -22.5
- Context
- PG&E Line 131, Borepit trenches, 2Ab,
- Additional information
- AMS
- Comments
- Consultation verified; ΔR+ 365 ± 50