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
- 1654 more...
- ItemStruc009323 - Northern Pacific Engineering Drawing, Yard Office, West Seattle at Seattle, Washington, 1986
- ItemStruc009326 - Northern Pacific Engineering Drawing, Inland Empire Hub Center at Parkwater, Washington, 1986
- ItemStruc009327 - Northern Pacific Engineering Drawing, Inland Empire Hub Center at Parkwater, Washington, 1986
- ItemStruc009539 - Northern Pacific Engineering Drawing, Depot at Shelton, Washington, 1974
- ItemStruc009540 - Northern Pacific Engineering Drawing, Depot at Shelton, Washington, 1974
- ItemStruc009541 - Northern Pacific Engineering Drawing, Depot at Shelton, Washington, 1974
- ItemStruc009542 - Northern Pacific Engineering Drawing, Depot at Shelton, Washington, 1975
- ItemStruc009543 - Northern Pacific Engineering Drawing, Depot at Shelton, Washington, 1974