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- Lab number
- GX-8030 A
- Material dated
- mastodon bone apatite; apatite osseux de mastodonte
- Taxa dated
- Mammut americanum
- Locality
- Monroe County, Illinois
- Map sheet
- e
- Submitter
- G.B. Frasz
- Normalized Age
- 31860 ± 2100
- Significance
- palaeobiology; paléobiologie