Railroad Archives Online
| Places term | Scope note | Archival description count | Authority record count |
|---|---|---|---|
| Sentinel Butte (Mont.) | 1 | 0 | |
| Sepost Spur (Wash.) | 0 | 0 | |
| Sepsecan (Wash.) | 1 | 0 | |
| Sequim (Wash.) | 0 | 0 | |
| Servia (Wash.) | 0 | 0 | |
| Seton (Minn.) | 11 | 0 | |
| Setters (Idaho) | 0 | 0 | |
| Seven Devils Spur (Wash.) | 1 | 0 | |
| Seven Dolores Mission (N.D.) | 0 | 0 | |
| Seven Dolores Mission Spur (N.D.) | 7 | 0 |