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
- 106 more...
- ItemNPDepot0107 - Northern Pacific Depot at Carrington, North Dakota, 1970
- ItemNPDepot0108 - Northern Pacific Depot at Carrolls, Washington, 1929
- ItemNPDepot0109 - Northern Pacific Depot at Casselton, North Dakota, circa 1909
- ItemNPDepot0110 - Northern Pacific Depot at Casselton, Minnesota, circa 1890
- ItemNPDepot0111 - Northern Pacific Depot at Casselton, North Dakota, circa 1912
- ItemNPDepot0112 - Northern Pacific Depot at Casselton, North Dakota, 1968
- ItemNPDepot0113 - Northern Pacific Depot at Casselton, North Dakota, 1968
- ItemNPDepot0114 - Northern Pacific Depot at Castle Rock, Washington, 1908
- ItemNPDepot0115 - Northern Pacific Depot at Castle Rock, Washington, undated
- 546 more...