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 3003 - Maintenance Facilities
- 372 more...
- ItemStruc006487 - Spokane, Portland, and Seattle Railway Engineering Drawing, Oregon Electric Railway Main Shop at Portland, Oregon, undated
- ItemStruc006488 - Spokane, Portland, and Seattle Railway Engineering Drawing, Oregon Electric Railway Main Shop at Portland, Oregon, 1945
- ItemStruc006489 - Spokane, Portland, and Seattle Railway Engineering Drawing, Oregon Electric Railway Main Shop at Portland, Oregon, 1945
- ItemStruc006490 - Spokane, Portland, and Seattle Railway Engineering Drawing, Oregon Electric Railway Main Shop at Portland, Oregon, 1945
- ItemStruc006491 - Spokane, Portland, and Seattle Railway Engineering Drawing, Oregon Electric Railway Main Shop at Portland, Oregon, 1942
- ItemStruc006492 - Spokane, Portland, and Seattle Railway Engineering Drawing, Oregon Electric Railway Main Shop at Portland, Oregon, 1942
- ItemStruc006493 - Spokane, Portland, and Seattle Railway Engineering Drawing, Engine House, Steam at Portland, Oregon, 1943
- ItemStruc006494 - Spokane, Portland, and Seattle Railway Engineering Drawing, Engine House, Steam at Portland, Oregon, 1943
- ItemStruc006495 - Spokane, Portland, and Seattle Railway Engineering Drawing, Engine House, Steam at Portland, Oregon, 1943
- 346 more...