Railroad Archives Online
| Places term | Scope note | Archival description count | Authority record count |
|---|---|---|---|
| Union (Ind.) | 0 | 0 | |
| Union Mill (Wash.) | 0 | 0 | |
| Union (Minn.) | 0 | 0 | |
| Union (N.D.) | 57 | 0 | |
| Union Pacific Connection (Wash.) | 28 | 0 | |
| Union Pacific Crossing (Wash.) | 1 | 0 | |
| Union Point (Man.) | 0 | 0 | |
| Union Slough (Wash.) | 2 | 0 | |
| Uniontown (Wash.) | 2 | 0 | |
| United Junction (Or.) | 22 | 0 |