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
- 510 more...
- ItemNPDepot0511 - The Northern Pacific Depot at Sheldon, North Dakota, 1968
- ItemNPDepot0512 - The Northern Pacific Depot at Shelton, Washington, 1960
- ItemNPDepot0513 - The Northern Pacific Depot at Sheridan, Montana, undated
- ItemNPDepot0514 - The Northern Pacific Depot at Sheridan, Montana, undated
- ItemNPDepot0515 - The Northern Pacific Depot at Sheridan, Montana, undated
- ItemNPDepot0516 - The Northern Pacific Depot at Sheyenne, North Dakota, undated
- ItemNPDepot0517 - The Northern Pacific Depot at Silesia, Montana, circa 1910
- ItemNPDepot0518 - The Northern Pacific Depot at Snohomish, Washington, circa 1969
- ItemNPDepot0519 - The Northern Pacific Depot at Snoqualmie, Washington, 1986
- 142 more...