Railroad Archives Online
| Places term | Scope note | Archival description count | Authority record count |
|---|---|---|---|
| Underwood (Wash.) | 21 | 0 | |
| Underwood (Minn.) | 5 | 0 | |
| Underwood (Iowa) | 0 | 0 | |
| Umtanum (Wash.) | 3 | 0 | |
| Ulmer (Mont) | 0 | 0 | |
| Ulm (Mont.) | 56 | 0 | |
| Ulen (Minn.) | 1 | 0 | |
| Tyson Creek (Idaho) | 0 | 0 | |
| Tynehead (B.C.) | 5 | 0 | |
| Tyndall (S.D.) | 0 | 0 |