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
- 2182 more...
- ItemBB030415 - Spokane, Portland and Seattle Railway Engineering Drawing: Gusset Pl - Up Lateral System, Bridge 270.0 - Box Canyon, North of Farrington, Washington, undated
- ItemBB030416 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Erection Diagram, Bridge 270.0 - Box Canyon, North of Farrington, Washington, undated
- ItemBB030417 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Erection Diagram, Bridge 270.0 - Box Canyon, North of Farrington, Washington, undated
- ItemBB030418 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Erection Diagram, Bridge 270.0 - Box Canyon, North of Farrington, Washington, undated
- ItemBB030419 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Layouts, Bridge 270.0 - Box Canyon, North of Farrington, Washington, undated
- ItemBB030420 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Layouts, Bridge 270.0 - Box Canyon, North of Farrington, Washington, undated
- ItemBB030421 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Layouts, Bridge 270.0 - Box Canyon, North of Farrington, Washington, undated
- ItemBB030422 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Layouts, Bridge 270.0 - Box Canyon, North of Farrington, Washington, undated
- ItemBB030423 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Layouts, Bridge 270.0 - Box Canyon, North of Farrington, Washington, undated
- 1727 more...