Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
Wann Formation  | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Carboniferous | |
| ....Pennsylvanian | |
| .....Upper Pennsylvanian | |
| ......Missourian | |
| .......Wann Formation | |
| RT | Oklahoma |
| SN | In Ochelata Group. Includes both Clem Creek and Washington Irving sandstones. In NE Oklahoma. |