Railroad Archives Online
| Places term | Scope note | Archival description count | Authority record count |
|---|---|---|---|
| Ames (N.D.) | 2 | 0 | |
| Amherst (Mont.) | 2 | 0 | |
| Amherst (S.D.) | 48 | 0 | |
| Amington (Mont.) | 1 | 0 | |
| Amnicon Falls (Wis.) | 0 | 0 | |
| Ampere Spur (Wash.) | 0 | 0 | |
| Ampere (Wash.) | 1 | 0 | |
| Amsterdam (Mont.) | 2 | 0 | |
| Anaconda (Mont.) | 15 | 0 | |
| Anacortes (Wash.) | 452 | 0 |