Railroad Archives Online
| Places term | Scope note | Archival description count | Authority record count |
|---|---|---|---|
| Sinai (S.D.) | 28 | 0 | |
| Sims (N.D.) | 0 | 0 | |
| Simpson (Minn.) | 2 | 0 | |
| Simms (Mont.) | 22 | 0 | |
| Simmons (Wash.) | 0 | 0 | |
| Simla (Mont.) | 21 | 0 | |
| Similkaneen (B.C.) | 1 | 0 | |
| Similkameen (B.C.) | 29 | 0 | |
| Similkameem (B.C.) | 1 | 0 | |
| Simenson (Wash.) | 2 | 0 |