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- Lab number
- L-381 C
- Material dated
- charcoal; charbon de bois
- Taxa dated
- wood and nutshell
- Locality
- Randolph County, Prairie du Rocher quadrangle, Illinois
- Map sheet
- e
- Submitter
- M.L. Fowler
- Measured Age
- 7000 ± 170
- Normalized Age
- 7000 ± 170
- δ13C (per mil)
- -25.0
- Significance
- Middle Archaic; Archaïque moyen
- Context
- west shelter, stratum 5, 1956 unit 50L190, 120.99-120.69 m asl