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- Lab number
- M-15
- Material dated
- freshwater mussel shell; coquille de mollusque d'eau douce
- Locality
- Pike County, Illinois
- Map sheet
- c
- Submitter
- J.C. McGregor
- Measured Age
- 2500 ± 150
- Normalized Age
- 2775 ± 150
- δ13C (per mil)
- -8.0
- Significance
- Middle Woodland, anomalous, old; Sylvicole moyen, anormal, vieux
- Context
- pit debris in Hopewell village, with Havana, Pool, and other stamped types