Railroad Archives Online
| Places term | Scope note | Archival description count | Authority record count |
|---|---|---|---|
| Oil Station (Wash.) | 8 | 0 | |
| Oil Spur (Mont.) | 0 | 0 | |
| Ohop (Wash.) | 0 | 0 | |
| Ohio (4) | 0 | 0 | |
| Oglvie (Minn.) | 1 | 0 | |
| Oglivie (Minn.) | 0 | 0 | |
| Oglesby (Ill.) | 0 | 0 | |
| Ogilvie (Minn.) | 68 | 0 | |
| Offuts Lake (Wash.) | 0 | 0 | |
| Odonnel Spur (Wash.) | 1 | 0 |