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- Lab number
- UM-469
- Material dated
- Shell
- Taxa dated
- freshwater mollusc
- Type of date
- Archaeological
- Locality
- Red Willow
- Submitter
- R.T. Grange, Jr.
- Date uploaded
- November 11, 2021
- Updater
- Wyoming Team
- Date updated
- December 31, 2020
- Measured Age
- 4950 ± 120
- Normalized Age
- 5225 ± 130
- δ13C (per mil)
- -8.0
- Significance
- Middle Woodland, anomalous, old; Sylvicole moyen, anormal, vieux
- Context
- refuse pit, 46-61 cm above house floor, Keith variant
- Additional information
- Radiometric