Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus | 
| Mount Simon Sandstone  | |
|---|---|
| BT | Chronostratigraphic Units | 
| .Phanerozoic | |
| ..Paleozoic | |
| ...Cambrian | |
| ....Upper Cambrian | |
| .....Mount Simon Sandstone | |
| RT | Iowa | 
| Illinois | |
| Indiana | |
| Ohio | |
| Wisconsin | |
| Minnesota | |
| Michigan | |
| SN | Unconformably overlies Precambrian basement; underlies Eau Claire Formation. Added to Thesaurus in 1989. |