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
- 585 more...
- ItemNPDepot0587 - Northern Pacific Depot at Tower City, North Dakota, undated
- ItemNPDepot0588 - Northern Pacific Depot at Tower City, North Dakota, undated
- ItemNPDepot0589 - Northern Pacific Depot at Tower City, North Dakota, 1968
- ItemNPDepot0590 - Northern Pacific Depot at Townsend, Montana, circa 1890
- ItemNPDepot0591 - Northern Pacific Depot at Townsend, Montana, undated
- ItemNPDepot0592 - Northern Pacific Depot at Townsend, Montana, 1973
- ItemNPDepot0593 - Northern Pacific Depot at Trident, Montana, undated
- ItemNPDepot0594 - Northern Pacific Depot at Trident, Montana, undated
- ItemNPDepot0595 - Northern Pacific Depot at Trident, Montana, undated
- 67 more...