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- Lab number
- W-1184
- Material dated
- Charcoal
- Type of date
- Geological
- Locality
- Richland
- Date uploaded
- January 17, 2024
- Updater
- Wyoming Team
- Date updated
- December 31, 2020
- Measured Age
- 23400 ± 800
- Additional information
- Radiometric
- Comments
- Small, weathered pieces of lignite were mistaken for charcoal. The distinction is often very difficult.