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United States / MN / Polk County / 21PL57 / Beta-152257
- Lab number
- Beta-152257
- Material dated
- Charcoal
- Type of date
- Archaeological
- Locality
- Polk
- Date uploaded
- January 17, 2024
- Updater
- Wyoming Team
- Date updated
- December 31, 2020
- Normalized Age
- 2460 ± 40
- δ13C (per mil)
- -26.6
- Context
- activity area associated with hearth
- Additional information
- AMS
- Comments
- rejected by excavator