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
- 3856 more...
- ItemBB033884 - Spokane, Portland and Seattle Railway Engineering Drawing: Deck Plan, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB033885 - Spokane, Portland and Seattle Railway Engineering Drawing: Deck Plan, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB033886 - Spokane, Portland and Seattle Railway Engineering Drawing: Deck Plan, Bridge 9.6 - Columbia River, Vancouver, Washington, 1908
- ItemBB033887 - Spokane, Portland and Seattle Railway Engineering Drawing: Deck Plan, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- ItemBB033964 - Spokane, Portland and Seattle Railway Engineering Drawing: General Plan and Elevation, Bridge 10.92 - Apple Tree Road, Vancouver, Washington, undated
- ItemBB033965 - Spokane, Portland and Seattle Railway Engineering Drawing: Barrel, Bridge 10.92 - Apple Tree Road, Vancouver, Washington, undated
- ItemBB033967 - Spokane, Portland and Seattle Railway Engineering Drawing: Wingwalls, Bridge 10.92 - Apple Tree Road, Vancouver, Washington, undated
- ItemBB033970 - Spokane, Portland and Seattle Railway Engineering Drawing: General Notes and Quantity, Bridge 10.7 - Columbia Street, Vancouver, Washington, undated
- ItemBB033971 - Spokane, Portland and Seattle Railway Engineering Drawing: Abutment 1, Bridge 10.7 - Columbia Street, Vancouver, Washington, undated
- 53 more...