Railroad Archives Online
| Places term | Scope note | Archival description count | Authority record count |
|---|---|---|---|
| Orwood Spur (Or.) | 0 | 0 | |
| Osakis (Minn.) | 132 | 0 | |
| Osayoos (B.C.) | 1 | 0 | |
| Osborn (Mont.) | 0 | 0 | |
| Osborne (Iowa) | 0 | 0 | |
| Osceola (S.D.) | 67 | 0 | |
| Osceola (Wis.) | 0 | 0 | |
| Osgood (Mo.) | 0 | 0 | |
| Osgood (N.D.) | 0 | 0 | |
| Oshkosk (Wis.) | 0 | 0 |