Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
Edwards Formation  | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Mesozoic | |
| ...Cretaceous | |
| ....Lower Cretaceous | |
| .....Edwards Formation | |
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Mesozoic | |
| ...Cretaceous | |
| ....Comanchean | |
| .....Edwards Formation | |
| RT | Texas |
| Fredericksburg Group | |
| SN | Overlies Walnut Clay and underlies Georgetown Limestone of Washita Group. In S Texas. This term has multiple hierarchies. |