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- Lab number
- UCLA-131
- Material dated
- charcoal
- Type of date
- Archaeological
- Locality
- Walla Walla
- Submitter
- E.H. Swanson
- Date uploaded
- January 18, 2024
- Updater
- Wyoming team
- Date updated
- December 31, 2020
- Measured Age
- 7940 ± 150
- Normalized Age
- 7940 ± 150
- δ13C (per mil)
- -25.0
- Significance
- Middle period; période moyenne
- Context
- hearth at surface of a deep midden deposit, Stratum 3, mantled by a layer of Mazama ash, Stratum 2, Old Cordilleran component
- Additional information
- radiometric