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
- 3 more...
- ItemNPDepot0004 - Northern Pacific Depot at Aitkin, Minnesota, undated
- ItemNPDepot0005 - Northern Pacific Depot at Almira, Washington, 1940s
- ItemNPDepot0006 - Northern Pacific Depot at Almira, Washington, 1980
- ItemNPDepot0007 - Northern Pacific Depot at Almira, Washington, 1998
- ItemNPDepot0008 - Northern Pacific Depot at Almont, North Dakota, 1880s
- 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
- 649 more...