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
- 145 more...
- ItemNPDepot0146 - Northern Pacific Depot at Detroit Lakes, Minnesota, circa 1890
- ItemNPDepot0147 - Northern Pacific Depot at Detroit Lakes, Minnesota, circa 1915
- ItemNPDepot0148 - Northern Pacific Depot at Detroit Lakes, Minnesota, 1969
- ItemNPDepot0149 - Northern Pacific Depot at Dickey, North Dakota, 1968
- ItemNPDepot0150 - Northern Pacific Depot at Dickinson, North Dakota, undated
- ItemNPDepot0151 - Northern Pacific Depot at Dilworth, Minnesota, 1968
- ItemNPDepot0152 - Northern Pacific Depot at Dilworth, Minnesota, undated
- ItemNPDepot0153 - Northern Pacific Depot at Dilworth, Minnesota, undated
- ItemNPDepot0154 - Northern Pacific Depot at Dilworth, Minnesota, undated
- 507 more...