Steven Dutch University of Wisconsin - Green Bay
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| Time 1000 yr | Glacial | Interglacial | Event | Events in Wisconsin |
|---|---|---|---|---|
| Wisconsin | ||||
| Sangamon | ||||
| Illinoisan | ||||
| Yarmouth | ||||
| Kansan | ||||
| Aftonian | ||||
| Nebraskan (many Pleistocene geologists favor abandoning this term) | Very old tills near mouth of Wisconsin River; possible incision of present upper Mississippi along ice margin. | |||
| Approximately 20 glacial advances known from deep-sea sediment sampling | ||||
| 2000 | Beginning of Pleistocene |
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Created 27 Dec 1997, Last Update 15 Sep 1997
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