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- Lab number
- Y-930
- Material dated
- charcoal; charbon de bois
- Locality
- Mt. Katmai quadrangle, southwestern Alaska
- Map sheet
- e
- Submitter
- L.S. Cressman
- Date updated
- November 8, 1999
- Measured Age
- 3972 ± 440
- Normalized Age
- 3972 ± 440
- δ13C (per mil)
- -25.0
- Significance
- Northern Archaic; Archaïque septentrional
- Context
- area 1, oldest occupation, directly above glacial gravel, with microliths, presumably associated with the BR Beachridge phase