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
- 348 more...
- ItemNPDepot0349 - Northern Pacific Depot at Lombard, Montana, undated
- ItemNPDepot0350 - Northern Pacific Depot at Lombard, Montana, undated
- ItemNPDepot0351 - Northern Pacific Depot at Mabton, Washington, circa 1910
- ItemNPDepot0352 - Northern Pacific Depot at Maltby, Washington, undated
- ItemNPDepot0353 - Northern Pacific Depot at Maltby, Washington, circa 1960
- ItemNPDepot0354 - Northern Pacific Depot at Mandan, North Dakota, undated
- ItemNPDepot0355 - Northern Pacific Depot at Mandan, North Dakota, undated
- ItemNPDepot0356 - Northern Pacific Depot at Mandan, North Dakota, undated
- ItemNPDepot0357 - Northern Pacific Depot at Mandan, North Dakota, 1969
- 304 more...