Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
Antietam Formation  | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Cambrian | |
| ....Lower Cambrian | |
| .....Antietam Formation | |
| RT | Virginia |
| Pennsylvania | |
| Maryland | |
| West Virginia | |
| Chilhowee Group | |
| SN | In Chilhowee Group. Maryland, SE Pennsylvania, Virginia, West Virginia. |