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- Lab number
- Beta-20377
- Material dated
- Unknown
- Type of date
- Archaeological
- Locality
- Des Moines
- Submitter
- J.A. Tiffany
- Date uploaded
- January 17, 2024
- Updater
- Wyoming Team
- Date updated
- December 31, 2020
- Significance
- Upper Mississippian, Oneota
- Context
- Pit 22
- Additional information
- Radiometric
- Comments
- calibrated age only (AD 1489) no standard deviation