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
- 2606 more...
- ItemBB031710 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Internal Hanger, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB031711 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Internal Post, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB031712 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Internal Post, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB031713 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Internal Post, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB031714 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Internal Post, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB031715 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Diagonal Details, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB031716 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Diagonal Details, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB031717 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Diagonal Details, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB031718 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Diagonal Details, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- 1303 more...