Railroad Archives Online
| Places term | Scope note | Archival description count | Authority record count |
|---|---|---|---|
| Silica (B.C.) | 2 | 0 | |
| Silesia (Mont.) | 1 | 0 | |
| Silbrick (Or.) | 6 | 0 | |
| Sigourney (Iowa) | 0 | 0 | |
| Sifton (N.D.) | 0 | 0 | |
| Sieler (Wash.) | 2 | 0 | |
| Siegler (Wash.) | 0 | 0 | |
| Sieben (Mont.) | 26 | 0 | |
| Sidney (Or.) | 34 | 0 | |
| Sidney (Mont.) | 9 | 0 |