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
- 368 more...
- ItemStruc006515 - Spokane, Portland, and Seattle Railway Engineering Drawing, Freight House at Portland, Oregon, 1953
- ItemStruc007562 - Spokane, Portland, and Seattle Railway Engineering Drawing, Interlocking and Telegraph Office Building at Willbridge, Oregon, 1945
- ItemStruc007647 - Spokane, Portland, and Seattle Railway Engineering Drawing, Depot at Beaverton, Oregon, 1981
- ItemStruc007803 - Spokane, Portland, and Seattle Railway Engineering Drawing, Depot, Office and Freight Warehouse at Salem, Oregon, undated
- ItemStruc007804 - Spokane, Portland, and Seattle Railway Engineering Drawing, Depot, Office and Freight Warehouse at Salem, Oregon, undated
- ItemStruc007805 - Spokane, Portland, and Seattle Railway Engineering Drawing, Depot, Office and Freight Warehouse at Salem, Oregon, undated
- ItemStruc007806 - Spokane, Portland, and Seattle Railway Engineering Drawing, Depot, Office and Freight Warehouse at Salem, Oregon, undated
- ItemStruc007807 - Spokane, Portland, and Seattle Railway Engineering Drawing, Depot, Office and Freight Warehouse at Salem, Oregon, undated
- ItemStruc007808 - Spokane, Portland, and Seattle Railway Engineering Drawing, Depot, Office and Freight Warehouse at Salem, Oregon, undated
- 240 more...