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
- 944 more...
- ItemStruc006572 - Northern Pacific Engineering Drawing, Yard Office, North End of Middle Yard at Seattle, Washington, 1960
- ItemStruc006573 - Northern Pacific Engineering Drawing, Yard Office, North End of Middle Yard at Seattle, Washington, 1960
- ItemStruc006574 - Northern Pacific Engineering Drawing, Yard Office, North End of Middle Yard at Seattle, Washington, 1959
- ItemStruc006575 - Northern Pacific Engineering Drawing, Yard Office, North End of Middle Yard at Seattle, Washington, 1958
- ItemStruc006576 - Northern Pacific Engineering Drawing, Yard Office, North End of Middle Yard at Seattle, Washington, 1958
- ItemStruc006577 - Northern Pacific Engineering Drawing, Yard Office, North End of Middle Yard at Seattle, Washington, 1959
- ItemStruc006578 - Northern Pacific Engineering Drawing, Yard Office, North End of Middle Yard at Seattle, Washington, undated
- ItemStruc006579 - Northern Pacific Engineering Drawing, Yard Office, North End of Middle Yard at Seattle, Washington, undated
- ItemStruc006580 - Northern Pacific Engineering Drawing, Trailer on Flatcar (TOFC) Timber Ramps and Trackage at Seattle, Washington, 1960
- 709 more...