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- Lab number
- M-1739
- Material dated
- Bone
- Taxa dated
- Mammut americanum; mastodon bone
- Type of date
- Paleontological
- Locality
- Gratiot
- Submitter
- C.W. Hibbard
- Date uploaded
- January 17, 2024
- Updater
- Wyoming Team
- Date updated
- December 31, 2020
- Measured Age
- 9910 ± 350
- Normalized Age
- 9990 ± 350
- δ13C (per mil)
- -20.0
- Significance
- palaeobiology; paléobiologie
- Context
- bog disturbed by drag-line, parts of hind limb, ulna and tusk recovered, with pollen indicating spruce dominance
- Additional information
- Radiometric