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- Lab number
- WIS-20 a
- Material dated
- charcoal; charbon de bois
- Locality
- O'Brien County, Iowa
- Map sheet
- e
- Submitter
- D.R. Henning
- Date updated
- July 2, 1999
- Measured Age
- 730 ± 90
- Normalized Age
- 730 ± 90
- δ13C (per mil)
- -25.0
- Significance
- Plains Village, IMM
- Context
- upper zone, Little Sioux phase Mill Creek village, feature 4, a cache pit sealed with several boulders, 11" depth