Railroad Archives Online
| Places term | Scope note | Archival description count | Authority record count |
|---|---|---|---|
| Sommerstrom Spur (Or.) | 0 | 0 | |
| Sonora (N.D.) | 34 | 0 | |
| Sopenah (Wash.) | 2 | 0 | |
| Sorrento (Idaho) | 0 | 0 | |
| Soudan (Mont.) | 0 | 0 | |
| Soules Siding (Minn.) | 6 | 0 | |
| Souris (N.D.) | 77 | 0 | |
| South Aberdeen (Wash.) | 0 | 0 | |
| South Agnew Mine (Minn.) | 17 | 0 | |
| South Amana (Iowa) | 0 | 0 |