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
- 8 more...
- ItemNPDepot0009 - Northern Pacific Depot at Almont, North Dakota, 1920s
- ItemNPDepot0010 - Northern Pacific Depot at Anoka, Minnesota, circa 1970
- ItemNPDepot0011 - Northern Pacific Depot at Arena, North Dakota, 1972
- ItemNPDepot0012 - Northern Pacific Depot at Arena, North Dakota, 1972
- ItemNPDepot0013 - Northern Pacific Depot at Arlee, Montana, 1961
- ItemNPDepot0014 - Northern Pacific Depot at Arlington, Washington, circa 1970
- ItemNPDepot0015 - Northern Pacific Depot at Arlington, Washington, 2007
- ItemNPDepot0016 - Northern Pacific Depot at Arlington, Washington, 2007
- ItemNPDepot0017 - Northern Pacific Depot at Arlington, Washington, 2007
- 644 more...