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
- 363 more...
- ItemStruc006478 - Spokane, Portland, and Seattle Railway Engineering Drawing, Diesel Shop at Portland, Oregon, 1952
- ItemStruc006479 - Spokane, Portland, and Seattle Railway Engineering Drawing, Oregon Electric Railway Main Shop at Portland, Oregon, 1942
- ItemStruc006480 - Spokane, Portland, and Seattle Railway Engineering Drawing, Oregon Electric Railway Main Shop at Portland, Oregon, undated
- ItemStruc006481 - Spokane, Portland, and Seattle Railway Engineering Drawing, Oregon Electric Railway Main Shop at Portland, Oregon, 1942
- ItemStruc006482 - Spokane, Portland, and Seattle Railway Engineering Drawing, Oregon Electric Railway Main Shop at Portland, Oregon, 1942
- ItemStruc006483 - Spokane, Portland, and Seattle Railway Engineering Drawing, Oregon Electric Railway Main Shop at Portland, Oregon, 1943
- ItemStruc006484 - Spokane, Portland, and Seattle Railway Engineering Drawing, Oregon Electric Railway Main Shop at Portland, Oregon, 1943
- ItemStruc006485 - Spokane, Portland, and Seattle Railway Engineering Drawing, Oregon Electric Railway Main Shop at Portland, Oregon, 1943
- ItemStruc006486 - Spokane, Portland, and Seattle Railway Engineering Drawing, Oregon Electric Railway Main Shop at Portland, Oregon, 1943
- 355 more...