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- Lab number
- M-2223
- Material dated
- Charcoal
- Type of date
- Archaeological
- Locality
- Calhoun
- Submitter
- S. Struever
- Date uploaded
- January 15, 2024
- Updater
- Wyoming Team
- Date updated
- December 31, 2020
- Measured Age
- 1860 ± 140
- Normalized Age
- 1860 ± 140
- δ13C (per mil)
- -25.0
- Significance
- Middle Woodland
- Context
- feature 5, a pit beneath Mound 3, intruded into fossil river beach, with early Hopewell pottery
- Additional information
- Radiometric