Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
Parkwood Formation  | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Carboniferous | |
| ....Mississippian | |
| .....Upper Mississippian | |
| ......Parkwood Formation | |
| RT | Alabama |
| SN | N Alabama. Added to Thesaurus in 1985. |