Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
Detroit River Group  | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Devonian | |
| ....Middle Devonian | |
| .....Detroit River Group | |
| RT | Ontario |
| Ohio | |
| Michigan | |
| Lucas Formation | |
| Sylvania Formation | |
| SN | Includes Sylvania Formation, Amherstburg Formation, Lucas Formation. SE Michigan, N Ohio, and W Ontario. |