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
- 337 more...
- ItemStruc006407 - Spokane, Portland, and Seattle Railway Engineering Drawing, Warehouse on Union Avenue at Portland, Oregon, 1957
- ItemStruc006408 - Spokane, Portland, and Seattle Railway Engineering Drawing, Warehouse on Union Avenue at Portland, Oregon, 1955
- ItemStruc006409 - Spokane, Portland, and Seattle Railway Engineering Drawing, Warehouse on Union Avenue at Portland, Oregon, 1955
- ItemStruc006410 - Spokane, Portland, and Seattle Railway Engineering Drawing, Warehouse on Union Avenue at Portland, Oregon, 1955
- ItemStruc006411 - Spokane, Portland, and Seattle Railway Engineering Drawing, Freight House, East Portland at Portland, Oregon, 1954
- ItemStruc006412 - Spokane, Portland, and Seattle Railway Engineering Drawing, Freight House, East Portland at Portland, Oregon, 1917
- ItemStruc006413 - Spokane, Portland, and Seattle Railway Engineering Drawing, Freight House, East Portland at Portland, Oregon, 1917
- ItemStruc006414 - Spokane, Portland, and Seattle Railway Engineering Drawing, Freight House, East Portland at Portland, Oregon, 1917
- ItemStruc006415 - Spokane, Portland, and Seattle Railway Engineering Drawing, Freight House, East Portland at Portland, Oregon, 1917
- 271 more...