Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
Perry Mountain Formation  | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Silurian | |
| ....Perry Mountain Formation | |
| RT | New Hampshire |
| Maine | |
| SN | W Maine and SE New Hampshire. Underlies Parmachenee Formation; overlies Johns Pond Formation. Added to Thesaurus in 1989. |