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
- 2254 more...
- ItemBB030487 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bill of Material, Bridge 270.0 - Box Canyon, North of Farrington, Washington, undated
- ItemBB030488 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Field Rivets, Bridge 270.0 - Box Canyon, North of Farrington, Washington, undated
- ItemBB030489 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Field Rivets, Bridge 270.0 - Box Canyon, North of Farrington, Washington, undated
- ItemBB030490 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Field Rivets, Bridge 270.0 - Box Canyon, North of Farrington, Washington, undated
- ItemBB030491 - Spokane, Portland and Seattle Railway Engineering Drawing: Standard Crossing Sheets, Bridge 270.0 - Box Canyon, North of Farrington, Washington, undated
- ItemBB030492 - Spokane, Portland and Seattle Railway Engineering Drawing: Standard Crossing Sheets, Bridge 270.0 - Box Canyon, North of Farrington, Washington, undated
- ItemBB030493 - Spokane, Portland and Seattle Railway Engineering Drawing: Standard Crossing Sheets, Bridge 270.0 - Box Canyon, North of Farrington, Washington, undated
- ItemBB030495 - Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge 291.4 - Oregon - Washington Railroad and Navigation Company Crossing, Washtucna, Washington, 1960
- ItemBB030496 - Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge 291.4 - Oregon - Washington Railroad and Navigation Company Crossing, Washtucna, Washington, 1960
- 1655 more...