Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
High Bridge Group  | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Ordovician | |
| ....Middle Ordovician | |
| .....High Bridge Group | |
| RT | Kentucky |
| SN | Central Kentucky. Added to Thesaurus in 1985. |