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Lab number
M-1384
Material dated
Charcoal
Type of date
Archaeological
Locality
Keweenaw (Isle Royal)
Submitter
T. Bastian
Date uploaded
November 10, 2021
Updater
Wyoming Team
Date updated
December 31, 2020
Measured Age
4420 ± 150
Normalized Age
4420 ± 150
δ13C (per mil)
-25.0
Significance
Archaic; Archaïque
Context
exploratory trench 2, 5.0-5.5 ft depth, in undisturbed tailing deposit, associated only with hammerstones, Old Copper culture
Additional information
Radiometric

References