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Lab number
I-503
Material dated
charcoal
Type of date
Archaeological
Locality
left bank of Columbia River, ca. 7 miles east of the mouth of John Day River, Gilliam County, John Day Basin, Oregon
Submitter
L.S. Cressman
Date uploaded
January 17, 2024
Updater
Wyoming team
Date updated
December 31, 2020
Measured Age
6150 ± 250
Normalized Age
6150 ± 250
δ13C (per mil)
-25.0
Significance
Middle period; période moyenne
Context
lowest major occupation level, just above three side-notched projectile points of Great Basin affiliation
Additional information
Radiometric

References