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
- 38 more...
- ItemStruc000594 - Spokane, Portland, and Seattle Railway Engineering Drawing, Auto Unloading Platform at Saint Helens, Oregon, 1950
- ItemStruc000595 - Spokane, Portland, and Seattle Railway Engineering Drawing, Depot at Saint Helens, Oregon, 1921
- ItemStruc000596 - Spokane, Portland, and Seattle Railway Engineering Drawing, Depot at Saint Helens, Oregon, 1921
- ItemStruc000597 - Spokane, Portland, and Seattle Railway Engineering Drawing, Depot at Saint Helens, Oregon, 1921
- ItemStruc000599 - Spokane, Portland, and Seattle Railway Engineering Drawing, Warehouse at Redmond, Oregon, 1911
- ItemStruc000600 - Spokane, Portland, and Seattle Railway Engineering Drawing, Warehouse at Redmond, Oregon, 1911
- ItemStruc000603 - Spokane, Portland, and Seattle Railway Engineering Drawing, Depot at South Junction, Oregon, 1950
- ItemStruc000614 - Spokane, Portland, and Seattle Railway Engineering Drawing, Depot at Metolius, Oregon, 1957
- ItemStruc000617 - Spokane, Portland, and Seattle Railway Engineering Drawing, Depot at Madras, Oregon, 1953
- 570 more...