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- Lab number
- UM-1531
- Material dated
- Shell
- Taxa dated
- freshwater, snail
- Type of date
- Geological
- Locality
- San Clemente Island
- Date uploaded
- January 15, 2024
- Updater
- Wyoming team
- Date updated
- December 31, 2020
- Measured Age
- 21785 ± 700
- Context
- Snails (Micrarionta feralis; Xerarionta intercisa) from lower paleosol (3Ab?) exposed on west shore N33 00.046, W118 34.971