Railroad Archives Online
- CollectionD0027 - Timothy Miller Collection
- Series007 - Spokane, Portland, and Seattle Railway
- Subseries Level 1009 - Engineering Records
- Subseries Level 2008 - Physical plant drawing
- Subseries Level 3002 - Depots and Freighthouses
- 305 more...
- ItemStruc005349 - Spokane, Portland, and Seattle Railway Engineering Drawing, Yard Office at Willbridge, Oregon, 1953
- ItemStruc005350 - Spokane, Portland, and Seattle Railway Engineering Drawing, Yard Office at Willbridge, Oregon, undated
- ItemStruc005351 - Spokane, Portland, and Seattle Railway Engineering Drawing, Yard Office at Willbridge, Oregon, undated
- ItemStruc005352 - Spokane, Portland, and Seattle Railway Engineering Drawing, Yard Office at Willbridge, Oregon, undated
- ItemStruc005353 - Spokane, Portland, and Seattle Railway Engineering Drawing, Yard Office at Willbridge, Oregon, undated
- ItemStruc005354 - Spokane, Portland, and Seattle Railway Engineering Drawing, Yard Office at Willbridge, Oregon, undated
- ItemStruc005355 - Spokane, Portland, and Seattle Railway Engineering Drawing, Yard Office at Willbridge, Oregon, undated
- ItemStruc005446 - Spokane, Portland, and Seattle Railway Engineering Drawing, Depot at Saint Helens, Oregon, undated
- ItemStruc005447 - Spokane, Portland, and Seattle Railway Engineering Drawing, Depot at Saint Helens, Oregon, undated
- 303 more...