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
- 2231 more...
- ItemBB030464 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bracing, Bridge 270.0 - Box Canyon, North of Farrington, Washington, undated
- ItemBB030465 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bracing, Bridge 270.0 - Box Canyon, North of Farrington, Washington, undated
- ItemBB030466 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bracing, Bridge 270.0 - Box Canyon, North of Farrington, Washington, undated
- ItemBB030467 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Details - Columns, Bridge 270.0 - Box Canyon, North of Farrington, Washington, undated
- ItemBB030468 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Details - Columns, Bridge 270.0 - Box Canyon, North of Farrington, Washington, undated
- ItemBB030469 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Details - Columns, Bridge 270.0 - Box Canyon, North of Farrington, Washington, undated
- ItemBB030470 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Details - Columns, Bridge 270.0 - Box Canyon, North of Farrington, Washington, undated
- ItemBB030471 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Details - Columns, Bridge 270.0 - Box Canyon, North of Farrington, Washington, undated
- ItemBB030472 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Details - Columns, Bridge 270.0 - Box Canyon, North of Farrington, Washington, undated
- 1678 more...