Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
Eau Claire Formation  | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Cambrian | |
| ....Upper Cambrian | |
| .....Eau Claire Formation | |
| RT | Iowa |
| Illinois | |
| Indiana | |
| Ohio | |
| Wisconsin | |
| Minnesota | |
| Michigan | |
| SN | NE Illinois, Indiana, Iowa, W Michigan, SE Minnesota, SW Ohio and W Wisconsin. Added to Thesaurus in 1989. |