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Lab number
Beta-23161
Material dated
Shell
Taxa dated
marine shell
Locality
Westchester County, Montrose Point
Submitter
C. Claassen
Date uploaded
November 12, 2021
Updater
Wyoming Team
Date updated
December 31, 2020
Measured Age
5580 ± 80
Normalized Age
5900 ± 80
δ13C (per mil)
-5.1
Significance
Middle Archaic
Context
base of the midden at the contact with underlying glacial clay

References