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- Lab number
- Beta-206286
- Material dated
- Shell
- Taxa dated
- marine, Olivella bead
- Type of date
- Archaeological
- Locality
- Contra Costa
- Date uploaded
- January 15, 2024
- Updater
- Wyoming team
- Date updated
- December 31, 2020
- Normalized Age
- 6770 ± 40
- Context
- Burial NB-3, Strat. II, 2Ab