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- Lab number
- A-68 bis
- Material dated
- charcoal; charbon de bois
- Locality
- Hereford quadrangle, Cochise County, Arizona
- Map sheet
- a
- Measured Age
- 1800 ± 140
- Normalized Age
- 1800 ± 140
- δ13C (per mil)
- -25.0
- Significance
- Late Archaic, anomalous, young; Archaïque inférieur, anormal, jeune
- Context
- erosional channel of San Pedro River with artifacts tentatively identified with Chiricahua stage of Cochise culture