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
- 2596 more...
- ItemBB031700 - Spokane, Portland and Seattle Railway Engineering Drawing: Transformer Platform Details, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB031701 - Spokane, Portland and Seattle Railway Engineering Drawing: Marking Diagram, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB031702 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Diagram, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB031703 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Mark Diagram, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB031704 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - End Post, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB031705 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Top Chord, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB031706 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Top Chord, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB031707 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Top Chord, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB031708 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Top Chord, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- 1313 more...