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
- 353 more...
- ItemStruc006454 - Spokane, Portland, and Seattle Railway Engineering Drawing, Electric Shop at Portland, Oregon, 1953
- ItemStruc006455 - Spokane, Portland, and Seattle Railway Engineering Drawing, Electric Shop at Portland, Oregon, 1953
- ItemStruc006456 - Spokane, Portland, and Seattle Railway Engineering Drawing, Electric Shop at Portland, Oregon, 1953
- ItemStruc006457 - Spokane, Portland, and Seattle Railway Engineering Drawing, Electric Shop at Portland, Oregon, 1953
- ItemStruc006458 - Spokane, Portland, and Seattle Railway Engineering Drawing, Electric Shop at Portland, Oregon, 1953
- ItemStruc006459 - Spokane, Portland, and Seattle Railway Engineering Drawing, Electric Shop at Portland, Oregon, 1953
- ItemStruc006460 - Spokane, Portland, and Seattle Railway Engineering Drawing, Car Repair Shelter Shed at Portland, Oregon, 1916
- ItemStruc006461 - Spokane, Portland, and Seattle Railway Engineering Drawing, Inspection Pit at Portland, Oregon, 1947
- ItemStruc006476 - Spokane, Portland, and Seattle Railway Engineering Drawing, Diesel Shop at Portland, Oregon, 1948
- 365 more...