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- Lab number
- Beta-75865
- Material dated
- Seeds
- Taxa dated
- Zea mays
- Type of date
- Archaeological
- Locality
- La Plata
- Date uploaded
- January 15, 2024
- Updater
- Wyoming team
- Date updated
- December 31, 2020
- Normalized Age
- 2260 ± 40
- δ13C (per mil)
- -26.0
- Context
- This date was referenced in Lister 1997 as cal 377 BC, converted by Smiley in accord with an article in Radiocarbon by Stuiver and Pearson, "High-precision Calibration of the Radiocarbon Time Scale." Working backwards from their calibration tables, 377 BC is approximately 2260 BP. The +/-40 standard error is an estimate based on comparable precision from Beta Analytic during the 1980s. The delta 13c is unknown,