Railroad Archives Online
| Places term | Scope note | Archival description count | Authority record count |
|---|---|---|---|
| Ardon (Iowa) | 0 | 0 | |
| Ardock (N.D.) | 32 | 0 | |
| Ardoch (N.D.) | 6 | 0 | |
| Ardley (B.C.) | 58 | 0 | |
| Arden (Wash.) | 29 | 0 | |
| Arcola (Minn.) | 13 | 0 | |
| Archer (Mont.) | 9 | 0 | |
| Arbutus (Wis.) | 0 | 0 | |
| Arbor Vitae (Wis.) | 0 | 0 | |
| Aralia (Ind.) | 0 | 0 |