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- Lab number
- UCLA-1786 B
- Material dated
- charcoal; charbon de bois
- Locality
- Contra Costa County, California
- Map sheet
- e
- Measured Age
- 2860 ± 120
- Normalized Age
- 2860 ± 120
- δ13C (per mil)
- -25.0
- Significance
- Middle Horizon