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United States / WA / Island County / 45IS48 / Beta-291137
- Lab number
- Beta-291137
- Material dated
- shell
- Type of date
- Archaeological
- Locality
- Island
- Elevation (m ASL)
- 20
- Date uploaded
- January 18, 2024
- Updater
- Wyoming team
- Date updated
- December 31, 2020
- Measured Age
- 890 ± 50
- Normalized Age
- 1270 ± 50
- δ13C (per mil)
- -2.0
- Context
- sample taken from intact shell midden deposits along the bank at the south end of the property.
- Additional information
- Radiometric