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- Lab number
- M-2280
- Material dated
- Charcoal
- Type of date
- Archaeological
- Locality
- Butler
- Submitter
- J.B. Griffin
- Date uploaded
- January 17, 2024
- Updater
- Wyoming Team
- Date updated
- December 31, 2020
- Normalized Age
- 650 ± 100
- δ13C (per mil)
- -25.0
- Significance
- Mississippian
- Context
- structure 1, 22.9 cm below datum, Powers phase
- Additional information
- Radiometric