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- Lab number
- Beta-23161
- Material dated
- Shell
- Taxa dated
- marine shell
- Locality
- Westchester County, Montrose Point
- Submitter
- C. Claassen
- Date uploaded
- January 17, 2024
- Updater
- Wyoming Team
- Date updated
- December 31, 2020
- Measured Age
- 5580 ± 80
- Normalized Age
- 5900 ± 80
- δ13C (per mil)
- -5.1
- Significance
- Middle Archaic
- Context
- base of the midden at the contact with underlying glacial clay