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- Lab number
- Beta-10509
- Material dated
- Charcoal
- Type of date
- Archaeological
- Locality
- Gratiot
- Submitter
- S.G. Beld
- Date uploaded
- January 17, 2024
- Updater
- Wyoming Team
- Date updated
- December 31, 2020
- Measured Age
- 2490 ± 100
- Normalized Age
- 2450 ± 100
- δ13C (per mil)
- -27.45
- Significance
- Late Archaic, Meadowood; Archaïque supérieur
- Context
- feature S, Area III, a fire-cracked rock feature first noted at the bottom of the plow zone