Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus | 
| Potsdam Sandstone  | |
|---|---|
| BT | Chronostratigraphic Units | 
| .Phanerozoic | |
| ..Paleozoic | |
| ...Cambrian | |
| ....Upper Cambrian | |
| .....Potsdam Sandstone | |
| RT | Ontario | 
| Quebec | |
| Vermont | |
| New York | |
| Little Falls Formation | |
| SN | Underlies Ticonderoga Formation. Central and E New York, Vermont, E Ontario and S Quebec. |