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
- 246 more...
- ItemNPDepot0247 - Northern Pacific Depot at Green River Hot Springs, Washington, undated
- ItemNPDepot0248 - Northern Pacific Depot at Gwinner, North Dakota, 1968
- ItemNPDepot0249 - Northern Pacific Depot at Hartford , Washington, circa 1915
- ItemNPDepot0250 - Northern Pacific Depot at Hastings, North Dakota, 1906
- ItemNPDepot0251 - Northern Pacific Depot at Hastings, North Dakota, undated
- ItemNPDepot0252 - Northern Pacific Depot at Hastings, North Dakota, 1968
- ItemNPDepot0253 - Northern Pacific Depot at Hatton, Washington, undated
- ItemNPDepot0254 - Northern Pacific Depot at Hawley, Minnesota, circa 1920
- ItemNPDepot0255 - Northern Pacific Depot at Hazelton, North Dakota, 1968
- 406 more...