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
- 2465 more...
- ItemBB031445 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Portal, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB031446 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Internal Portal, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB031447 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Strut Detail, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB031448 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Top and Bottom Struts, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB031449 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Top Struts, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB031450 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Longitudinal Strut, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB031451 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Longitudinal Strut, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB031452 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Top Laterals, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB031453 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bars, Pins, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- 1444 more...