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United States / IL / Mason County / 11MN2 (Havana) / M-20
- Lab number
- M-20
- Material dated
- Wood
- Type of date
- Archaeological
- Locality
- Mason
- Submitter
- T. Deuell
- Date uploaded
- January 15, 2024
- Updater
- Wyoming Team
- Date updated
- December 31, 2020
- Measured Age
- 2200 ± 250
- Normalized Age
- 2200 ± 250
- δ13C (per mil)
- -25.0
- Significance
- Early Woodland
- Context
- mound 9
- Additional information
- Radiometric