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- Lab number
- M-1722 r
- Material dated
- cultigen; cultigène
- Taxa dated
- charred Zea mays kernels
- Locality
- Madison County, Illinois
- Map sheet
- e
- Submitter
- R.L. Hall
- Measured Age
- 430 ± 100
- Normalized Age
- 665 ± 100
- δ13C (per mil)
- -10.3
- Significance
- Mississippian; Mississippien
- Context
- feature 48, a Mississippian storage/refuse pit