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- Lab number
- Tx-7817
- Material dated
- Sediment
- Taxa dated
- Soil humate
- Type of date
- Geological
- Locality
- Frontier
- Submitter
- William C. Johnson
- Date submitted
- December 20, 1992
- Date uploaded
- November 11, 2021
- Updater
- Wyoming Team
- Date updated
- December 31, 2020
- Measured Age
- 38580 ± 1240
- Normalized Age
- 38628 ± 1240
- δ13C (per mil)
- -22.0
- Context
- 1848-1858 cmbs, in a backhoe trench excavated in a SW-facing cut along the ash pit haul road, ca. 829.1 m amsl
- Additional information
- Radiometric