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
- 333 more...
- ItemStruc006403 - Spokane, Portland, and Seattle Railway Engineering Drawing, Warehouse on Union Avenue at Portland, Oregon, 1949
- ItemStruc006404 - Spokane, Portland, and Seattle Railway Engineering Drawing, Warehouse on Union Avenue at Portland, Oregon, 1963
- ItemStruc006405 - Spokane, Portland, and Seattle Railway Engineering Drawing, Freight House, East Portland at Portland, Oregon, 1947
- ItemStruc006406 - Spokane, Portland, and Seattle Railway Engineering Drawing, Princess Hotel and Adjacent at Portland, Oregon, 1913
- 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
- 275 more...