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- Lab number
- RL-311
- Material dated
- Charcoal
- Type of date
- Archaeological
- Locality
- Johnson, Lower Big Sandy section, Big Sandy management area
- Submitter
- R.C. Dunnell
- Date uploaded
- January 17, 2024
- Updater
- Wyoming Team
- Date updated
- December 31, 2020
- Measured Age
- 800 ± 100
- Normalized Age
- 800 ± 100
- δ13C (per mil)
- -25.0
- Significance
- Mississippian, Fort Ancient; Mississippien
- Context
- Level II, sheet midden O-O, an early middle Woodside phase occupation
- Additional information
- Radiometric
- Comments
- Fort Ancient