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
- 922 more...
- ItemStruc006035 - Northern Pacific Engineering Drawing, Depot at Spokane, Washington, undated
- ItemStruc006036 - Northern Pacific Engineering Drawing, Depot at Spokane, Washington, undated
- ItemStruc006037 - Northern Pacific Engineering Drawing, Depot at Spokane, Washington, undated
- ItemStruc006349 - Northern Pacific Engineering Drawing, Unloading Platform for Team Tracks (Standard Plan), 1948
- ItemStruc006380 - Northern Pacific Engineering Drawing, Yard Office and Tower at Yardley, Washington, 1983
- ItemStruc006381 - Northern Pacific Engineering Drawing, Yard Office and Tower at Yardley, Washington, 1984
- ItemStruc006382 - Northern Pacific Engineering Drawing, Yard Office and Tower at Yardley, Washington, 1984
- ItemStruc006383 - Northern Pacific Engineering Drawing, Yard Office and Tower at Yardley, Washington, 1984
- ItemStruc006556 - Northern Pacific Engineering Drawing, Yard Office at Seattle, Washington, 1965
- 731 more...