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- Lab number
- ISGS-267-A
- Material dated
- beaver bone apatite; apatite osseux de castor
- Taxa dated
- Castor sp.?
- Locality
- 19 km south of Columbia, Boone County, Missouri
- Map sheet
- e
- Submitter
- P.W. Parmalee
- Date updated
- May 19, 1999
- Measured Age
- 21570 ± 510
- Normalized Age
- 21805 ± 510
- δ13C (per mil)
- -10.0
- Significance
- palaeobiology; paléobiologie
- Context
- Cave 1, from ca. 12 m length of cave fill