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- Lab number
- Beta-189268
- Material dated
- Shell
- Taxa dated
- marine, Macoma nasuta
- Type of date
- Geological
- Locality
- San Francisco
- Date uploaded
- January 15, 2024
- Updater
- Wyoming team
- Date updated
- December 31, 2020
- Normalized Age
- 2270 ± 40
- δ13C (per mil)
- -2.3
- Context
- Block 6, Bent L44L, clam shell in bay mud, 5Cg