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
- 406 more...
- ItemStruc006523 - Spokane, Portland, and Seattle Railway Engineering Drawing, Oil Tank at Portland, Oregon, 1924
- ItemStruc006524 - Spokane, Portland, and Seattle Railway Engineering Drawing, Mechanics Shops at Portland, Oregon, 1950
- ItemStruc006525 - Spokane, Portland, and Seattle Railway Engineering Drawing, Mechanics Shops at Portland, Oregon, 1950
- ItemStruc006526 - Spokane, Portland, and Seattle Railway Engineering Drawing, Mechanics Shops at Portland, Oregon, 1950
- ItemStruc006527 - Spokane, Portland, and Seattle Railway Engineering Drawing, Mechanics Shops at Portland, Oregon, 1950
- ItemStruc006528 - Spokane, Portland, and Seattle Railway Engineering Drawing, Mechanics Shops at Portland, Oregon, 1950
- ItemStruc006529 - Spokane, Portland, and Seattle Railway Engineering Drawing, Mechanics Shops at Portland, Oregon, 1950
- ItemStruc006530 - Spokane, Portland, and Seattle Railway Engineering Drawing, Mechanics Shops at Portland, Oregon, 1950
- ItemStruc006531 - Spokane, Portland, and Seattle Railway Engineering Drawing, Mechanics Shops at Portland, Oregon, undated
- 312 more...