Railroad Archives Online
| Places term | Scope note | Archival description count | Authority record count |
|---|---|---|---|
| Pokegama Junction (Minn.) | 3 | 0 | |
| Point Douglas (Minn.) | 0 | 0 | |
| Point Adams (Or.) | 0 | 0 | |
| Poe (Wash.) | 3 | 0 | |
| Pocono (Idaho) | 0 | 0 | |
| Pocahontas Spur (Wash.) | 0 | 0 | |
| Plymouth (Wis.) | 0 | 0 | |
| Plymouth (Wash.) | 14 | 0 | |
| Plymouth (Iowa) | 0 | 0 | |
| Pluvius (Wash.) | 2 | 0 |