Railroad Archives Online
| Places term | Scope note | Archival description count | Authority record count |
|---|---|---|---|
| Sentinel Butte (Mont.) | 1 | 0 | |
| Sentinal Butte (N.D.) | 0 | 0 | |
| Senic (Wash.) | 0 | 0 | |
| Semper (Colo.) | 1 | 0 | |
| Selz (N.D.) | 31 | 0 | |
| Sellwood Mine (Minn.) | 1 | 0 | |
| Selleck (Wash.) | 2 | 0 | |
| Selle (Wash.) | 0 | 0 | |
| Selkirk (Mont.) | 0 | 0 | |
| Selkce (Minn.) | 1 | 0 |