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- Lab number
- D-AMS-5223
- Material dated
- Shell
- Taxa dated
- Shell sample (Macoma nasuta)
- Type of date
- Archaeological
- Locality
- Contra Costa
- Date uploaded
- January 15, 2024
- Updater
- Wyoming team
- Date updated
- December 31, 2020
- Normalized Age
- 801 ± 25
- Stratigraphic component
- 365 cm
- Context
- Inverted Siphon
- Additional information
- AMS