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- Lab number
- Tx-6747
- Material dated
- Soil
- Taxa dated
- humates
- Type of date
- geological
- Locality
- Phillips
- Submitter
- William C. Johnson
- Date submitted
- January 15, 1990
- Date uploaded
- January 17, 2024
- Updater
- Wyoming Team
- Date updated
- December 31, 2020
- Measured Age
- 25300 ± 800
- Normalized Age
- 25465 ± 800
- δ13C (per mil)
- -14.700000000000001
- Context
- From a 1-m deep vertical trench cut into a railroad cut through ì loess and underlying Cretaceous Smoky Hill Chalk. Cut is 0.4 km W ì of the main entrance road to the Kirwin Wildlife Refuge. 273-278 ì cmbs, ca. 558 m amsl
- Additional information
- Radiometric