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- Lab number
- I-780
- Material dated
- Shell
- Taxa dated
- freshwater mollusc
- Type of date
- Archaeological
- Locality
- Marshall
- Submitter
- E. Johnson
- Date uploaded
- January 17, 2024
- Updater
- Wyoming Team
- Date updated
- December 31, 2020
- Measured Age
- 3200 ± 190
- Normalized Age
- 3475 ± 195
- δ13C (per mil)
- -8.0
- Significance
- Late Woodland, anomalous, old
- Context
- Arvilla phase
- Additional information
- Radiometric