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- Lab number
- Beta-7121
- Material dated
- shell
- Type of date
- Archaeological
- Locality
- Douglas
- Elevation (m ASL)
- 243
- Submitter
- J.C. Chatters
- Date uploaded
- January 18, 2024
- Updater
- Wyoming team
- Date updated
- December 31, 2020
- Measured Age
- 6020 ± 70
- Normalized Age
- 6440 ± 70
- δ13C (per mil)
- 0.57
- Significance
- Middle period; période moyenne
- Context
- sample taken from Feature 1, feature 1 is a shell heap found in unit N60/E191 at a depth of 30-50 cm just above a layer of redeposited Mazama tephra.
- Additional information
- AMS