Railroad Archives Online
| Places term | Scope note | Archival description count | Authority record count |
|---|---|---|---|
| Munich (N.D.) | 44 | 0 | |
| Mumo | 1 | 0 | |
| Mumby (Wash.) | 0 | 0 | |
| Multnomah (Portland, Or.) | 0 | 0 | |
| Mulloy (Or.) | 1 | 0 | |
| Mullen (Neb.) | 5 | 0 | |
| Mullen (Colo.) | 5 | 0 | |
| Mullan (Idaho) | 2 | 0 | |
| Mulilteo (Wash.) | 1 | 0 | |
| Mukilteo (Wash.) | 143 | 0 |