Railroad Archives Online
- CollectionD0335.2 - Northern Pacific Railway Historical Association Depot Photograph Collection
- Seriesex: 001 - Northern Pacific Railroad Company
- Subseries Level 1014 - Photographs
- Subseries Level 2003 - Railroads--Buildings and Structures
- Subseries Level 3002 - Depots and Freighthouses
- 30 more...
- ItemNPDepot0031 - The Northern Pacific Depot at Avon, Montana, 1978
- ItemNPDepot0032 - The Northern Pacific Depot at Avon, Montana, 2003
- ItemNPDepot0033 - The Northern Pacific Depot at Bangor, Washington, circa 1972
- ItemNPDepot0034 - The Northern Pacific Depot at Beach, North Dakota, undated
- ItemNPDepot0035 - The Northern Pacific Depot at Beach, North Dakota, undated
- ItemNPDepot0036 - The Northern Pacific Depot at Beach, North Dakota, undated
- ItemNPDepot0037 - The Northern Pacific Depot at Belgrade, Montana, 1995
- ItemNPDepot0038 - The Northern Pacific Depot at Belgrade, Montana, circa 1970
- ItemNPDepot0039 - The Northern Pacific Depot at Bellingham, Washington, circa 1910
- 622 more...