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- Lab number
- Beta-14150A
- Material dated
- charcoal; charbon de bois
- Locality
- Chouteau County, Montana
- Map sheet
- a
- Submitter
- L.B. Davis
- Date updated
- February 1, 1999
- Measured Age
- 2120 ± 220
- Normalized Age
- 2120 ± 220
- δ13C (per mil)
- -25.0
- Significance
- Late Prehistoric, Avonlea, anomalous, old; Préhistorique récent, anormal, vieux
- Context
- upper campsite