Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
Woodfordian  | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Quarternary | |
| ....Pleistocene | |
| .....Upper Pleistocene | |
| ......Wisconsinan | |
| .......Woodfordian | |
| RT | Illinois |
| SN | Substage of Wisconsinan stage. |