Railroad Archives Online
- ArkivD0027 - Timothy Miller Collection
- Serie004 - Northern Pacific Railroad Company
- Underserie009 - Engineering Records
- 008 - Physical plant drawing
- 002 - Depots and Freighthouses
- 532 mer...
- ObjektStruc005290 - Northern Pacific Engineering Drawing, Freight House at Walla Walla, Washington, 1965
- ObjektStruc005291 - Northern Pacific Engineering Drawing, Freight House at Walla Walla, Washington, 1965
- ObjektStruc005301 - Northern Pacific Engineering Drawing, Unloading Platform at Olympia, Washington, 1962
- ObjektStruc005302 - Northern Pacific Engineering Drawing, Depot at Olympia, Washington, 1966
- ObjektStruc005303 - Northern Pacific Engineering Drawing, Depot at Olympia, Washington, 1965
- ObjektStruc005304 - Northern Pacific Engineering Drawing, Depot at Olympia, Washington, 1965
- ObjektStruc005305 - Northern Pacific Engineering Drawing, Depot at Olympia, Washington, 1966
- ObjektStruc005306 - Northern Pacific Engineering Drawing, Depot at Olympia, Washington, 1965
- ObjektStruc005307 - Northern Pacific Engineering Drawing, Depot at Olympia, Washington, 1966
- 1121 mer...