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 3001 - Bridges
- 1524 more...
- ItemBB025302 - Spokane, Portland and Seattle Railway Engineering Drawing: Alteration of Shoe, Bridge T0.4 - Columbia River, South of Wishram, Washington, 1955
- ItemBB025303 - Spokane, Portland and Seattle Railway Engineering Drawing: New Stringer Brackets, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB025304 - Spokane, Portland and Seattle Railway Engineering Drawing: Lift Span Plan/Elevation, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB025305 - Spokane, Portland and Seattle Railway Engineering Drawing: Towers/General Views, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB025306 - Spokane, Portland and Seattle Railway Engineering Drawing: Tower Stress Sheet, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB025307 - Spokane, Portland and Seattle Railway Engineering Drawing: Rear Column Attachment, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB025308 - Spokane, Portland and Seattle Railway Engineering Drawing: South Tower Lower Section, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB025309 - Spokane, Portland and Seattle Railway Engineering Drawing: South Tower Center Section, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- ItemBB025310 - Spokane, Portland and Seattle Railway Engineering Drawing: North Tower Lower Section, Bridge T0.4 - Columbia River, South of Wishram, Washington, undated
- 2385 more...