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United States / SD / Custer County / 39CU1145 / Beta-54723
- Lab number
- Beta-54723
- Material dated
- Soil
- Type of date
- Geological
- Locality
- Custer
- Date submitted
- January 1, 1980
- Date uploaded
- January 18, 2024
- Updater
- Wyoming Team
- Date updated
- December 31, 2020
- Normalized Age
- 3890 ± 80
- Additional information
- Radiometric
- Comments
- 13C corrected, but value not given