adj.
Of or relating to the third glacial stage of the Pleistocene in North America.
[After ILLINOIS2.]
Dictionary:
Il·li·noi·an (ĭl'ə-noi'ən)
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[After ILLINOIS2.]
| 5min Related Video: Illinoian |
| Sangamon (geology) | |
| Yarmouth interglacial (geology) | |
| Thomas Chrowder Chamberlin (American geologist) |
| Soil types in the glaciations pre-illinoian? |
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