Railroad Archives Online
- CollectionD0335.2 - Northern Pacific Railway Historical Association Depot Photograph Collection
- Series004 - Northern Pacific Railroad Company
- Subseries Level 1014 - Photographs
- Subseries Level 2003 - Railroads--Buildings and Structures
- Subseries Level 3002 - Depots and Freighthouses
- 394 more...
- ItemNPDepot0395 - Northern Pacific Depot at Missoula, Montana, undated
- ItemNPDepot0396 - Northern Pacific Depot at Moclips, Washington, undated
- ItemNPDepot0397 - Northern Pacific Depot at Moclips, Washington, undated
- ItemNPDepot0398 - Northern Pacific Depot at Monohon, Washington, undated
- ItemNPDepot0399 - Northern Pacific Depot at Montesano, Washington, circa 1955
- ItemNPDepot0400 - Northern Pacific Depot at Montpelier, North Dakota, 1968
- ItemNPDepot0401 - Northern Pacific Depot at Mooreton, North Dakota, 1968
- ItemNPDepot0402 - Northern Pacific Depot at Moorhead, Minnesota, circa 1880
- ItemNPDepot0403 - Northern Pacific Depot at Moose Lake, Minnesota, circa 1960
- 258 more...