Railroad Archives Online
- CollectionD0027 - Timothy Miller Collection
- Series004 - Northern Pacific Railroad Company
- Subseries Level 1009 - Engineering Records
- Subseries Level 2008 - Physical plant drawing
- Subseries Level 3002 - Depots and Freighthouses
- 533 more...
- ItemStruc005291 - Northern Pacific Engineering Drawing, Freight House at Walla Walla, Washington, 1965
- ItemStruc005301 - Northern Pacific Engineering Drawing, Unloading Platform at Olympia, Washington, 1962
- ItemStruc005302 - Northern Pacific Engineering Drawing, Depot at Olympia, Washington, 1966
- ItemStruc005303 - Northern Pacific Engineering Drawing, Depot at Olympia, Washington, 1965
- ItemStruc005304 - Northern Pacific Engineering Drawing, Depot at Olympia, Washington, 1965
- ItemStruc005305 - Northern Pacific Engineering Drawing, Depot at Olympia, Washington, 1966
- ItemStruc005306 - Northern Pacific Engineering Drawing, Depot at Olympia, Washington, 1965
- ItemStruc005307 - Northern Pacific Engineering Drawing, Depot at Olympia, Washington, 1966
- ItemStruc005308 - Northern Pacific Engineering Drawing, Depot at Olympia, Washington, 1964
- 1120 more...