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Lab number
Beta-215818
Material dated
Shell
Taxa dated
Mercenaria
Type of date
Archaeological
Locality
Liberty
Date uploaded
January 15, 2024
Updater
Wyoming Team
Date updated
December 31, 2020
Measured Age
2040 ± 60
Normalized Age
2410 ± 60
δ13C (per mil)
-2.4
Context
Bottom of shell midden in marsh: Test Pit II, Level 4 (30–40 cmbs)
Comments
No ceramics in level, but grit and sand tempered above.

References