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- Lab number
- UM-1921
- Material dated
- Shell
- Taxa dated
- Crassostrea virginica
- Type of date
- Archaeological
- Locality
- Collier County
- Date uploaded
- January 15, 2024
- Updater
- Wyoming Team
- Date updated
- December 31, 2020
- Measured Age
- 4245 ± 85
- Normalized Age
- 4635 ± 85
- Significance
- Archaic
- Context
- Mound B, stratum A
- Additional information
- Radiometric
- Comments
- Horr's Island, calibrated range BP = 5059-4629, isotopic fractionation added 390 years