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
- 2439 more...
- ItemBB031419 - Spokane, Portland and Seattle Railway Engineering Drawing: Operating Room, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB031420 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Stress Diagram, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB031421 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Packing Diagram, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB031422 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Marking Diagram, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB031423 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - End Posts, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB031424 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Top Chord, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB031425 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Top Chord, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB031426 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - End Post, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB031427 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Lower Chord, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- 1470 more...