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- Lab number
- M-1403
- Material dated
- Charcoal
- Type of date
- Archaeological
- Locality
- Calhoun
- Submitter
- G. Perino
- Date uploaded
- January 15, 2024
- Updater
- Wyoming Team
- Date updated
- December 31, 2020
- Measured Age
- 2180 ± 130
- Normalized Age
- 2180 ± 130
- δ13C (per mil)
- -25.0
- Significance
- Early Woodland
- Context
- Mound 1, Feature 20, a charcoal mass associated with the latest premound occupation of the sand ridge, with both Black Sand and Havana ceramics
- Additional information
- Radiometric