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
- 162 more...
- ItemNPDepot0163 - The Northern Pacific Depot at Duluth, Minnesota, circa 1910
- ItemNPDepot0164 - The Northern Pacific Depot at Duluth, Minnesota, circa 1910
- ItemNPDepot0165 - The Northern Pacific Depot at Duluth, Minnesota, circa 1960
- ItemNPDepot0166 - The Northern Pacific Depot at Duluth, Minnesota, circa 1960
- ItemNPDepot0167 - The Northern Pacific Depot at Duluth, Minnesota, circa 1965
- ItemNPDepot0168 - The Northern Pacific Depot at Eagle Gorge, Washington, undated
- ItemNPDepot0169 - The Northern Pacific Depot at East Auburn, Washington, 1971
- ItemNPDepot0170 - The Northern Pacific Depot at East Helena, Montana, undated
- ItemNPDepot0171 - The Northern Pacific Depot at East Helena, Montana, 1973
- 490 more...