Railroad Archives Online
| Places term | Scope note | Archival description count | Authority record count |
|---|---|---|---|
| Seton (Minn.) | 11 | 0 | |
| Servia (Wash.) | 0 | 0 | |
| Sequim (Wash.) | 0 | 0 | |
| Sepsecan (Wash.) | 1 | 0 | |
| Sepost Spur (Wash.) | 0 | 0 | |
| Sentinel Butte (Mont.) | 1 | 0 | |
| Sentinal Butte (N.D.) | 0 | 0 | |
| Senic (Wash.) | 0 | 0 | |
| Semper (Colo.) | 1 | 0 | |
| Selz (N.D.) | 31 | 0 |