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- Lab number
- UM-463
- Material dated
- Shell
- Taxa dated
- freshwater mollusc shell
- Type of date
- Archaeological
- Locality
- Frontier
- Submitter
- R.T. Grange, Jr.
- Date uploaded
- November 11, 2021
- Updater
- Wyoming Team
- Date updated
- December 31, 2020
- Measured Age
- 3395 ± 295
- Normalized Age
- 3670 ± 300
- δ13C (per mil)
- -8.0
- Significance
- Central Plains, Upper Republican phase, anomalous, old; anormal, vieux
- Stratigraphic component
- 0-46 cm
- Context
- several locations in the same general occupation zone, 0-46 cm depth
- Additional information
- Radiometric
- Comments
- Medicine Creek Reservoir