Railroad Archives Online
| Places term | Scope note | Archival description count | Authority record count |
|---|---|---|---|
| Pueblo (Colo.) | 2 | 0 | |
| Puder (Ill.) | 0 | 0 | |
| Prune Hill (Wash.) | 0 | 0 | |
| Prune Hill (Or.) | 1 | 0 | |
| Provo (Utah) | 4 | 0 | |
| Proviso (Ill.) | 18 | 0 | |
| Providence (Wash.) | 3 | 0 | |
| Prosser (Wash.) | 47 | 0 | |
| Prosper (N.D.) | 8 | 0 | |
| Prosper (Minn.) | 0 | 0 |