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- Lab number
- L-406 A
- Material dated
- bone; os
- Locality
- Randolph County, Prairie du Rocher quadrangle, Illinois
- Map sheet
- e
- Submitter
- T. Deuel
- Measured Age
- 7050 ± 220
- Normalized Age
- 7200 ± 200
- Significance
- Middle Archaic; Archaïque moyen
- Context
- west shelter, strata 5A,6,7, 1956 mixed units, 120.38-120.08 m asl