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- Lab number
- Tx-4045
- Material dated
- Shell
- Taxa dated
- Pelecypod shell
- Type of date
- Geological
- Locality
- St. James
- Submitter
- Thomas M. Ryan
- Date submitted
- July 10, 1980
- Date uploaded
- January 18, 2024
- Updater
- Wyoming Team
- Date updated
- December 31, 2020
- Measured Age
- 1040 ± 60
- Additional information
- Radiometric