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
- 2277 more...
- ItemBB030511 - Spokane, Portland and Seattle Railway Engineering Drawing: 65 Foot - 80 Foot Inch Plate Girder, Bridge 291.4 - Oregon - Washington Railroad and Navigation Company Crossing, Washtucna, Washington, undated
- ItemBB030512 - Spokane, Portland and Seattle Railway Engineering Drawing: General Plan, Bridge 291.4 - Oregon - Washington Railroad and Navigation Company Crossing, Washtucna, Washington, 1930
- ItemBB030513 - Spokane, Portland and Seattle Railway Engineering Drawing: Stress Sheet, Bridge 291.4 - Oregon - Washington Railroad and Navigation Company Crossing, Washtucna, Washington, undated
- ItemBB030514 - Spokane, Portland and Seattle Railway Engineering Drawing: Truss Details, Bridge 291.4 - Oregon - Washington Railroad and Navigation Company Crossing, Washtucna, Washington, undated
- ItemBB030515 - Spokane, Portland and Seattle Railway Engineering Drawing: Floor Beams and Stringers, Bridge 291.4 - Oregon - Washington Railroad and Navigation Company Crossing, Washtucna, Washington, undated
- ItemBB030516 - Spokane, Portland and Seattle Railway Engineering Drawing: Details - Towers and Shoes, Bridge 291.4 - Oregon - Washington Railroad and Navigation Company Crossing, Washtucna, Washington, undated
- ItemBB030517 - Spokane, Portland and Seattle Railway Engineering Drawing: 35 Foot Deck Plate Girder (DPG) Details, Bridge 291.4 - Oregon - Washington Railroad and Navigation Company Crossing, Washtucna, Washington, undated
- ItemBB030518 - Spokane, Portland and Seattle Railway Engineering Drawing: 70 Foot Deck Plate Girder (DPG), Bridge 291.4 - Oregon - Washington Railroad and Navigation Company Crossing, Washtucna, Washington, undated
- ItemBB030519 - Spokane, Portland and Seattle Railway Engineering Drawing: Concrete Abutments and Piers, Bridge 291.4 - Oregon - Washington Railroad and Navigation Company Crossing, Washtucna, Washington, undated
- 1632 more...