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
- 2861 more...
- ItemBB032690 - Spokane, Portland and Seattle Railway Engineering Drawing: Reinforcement Bars, Bridge 11.3 - Underpass, Vancouver, Washington, 1912
- ItemBB032691 - Spokane, Portland and Seattle Railway Engineering Drawing: Steel Shims, Bridge 11.3 - Underpass, Vancouver, Washington, undated
- ItemBB032693 - Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge 11.3 - Underpass, Vancouver, Washington, 1969
- ItemBB032694 - Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge 11.3 - Underpass, Vancouver, Washington, 1967
- ItemBB032695 - Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge 11.3 - Underpass, Vancouver, Washington, 1950
- ItemBB032696 - Spokane, Portland and Seattle Railway Engineering Drawing: Tie Framing Plan, Bridge 11.5, Vancouver, Washington, undated
- ItemBB032697 - Spokane, Portland and Seattle Railway Engineering Drawing: Sidewalk Plan, Bridge 11.3 - Underpass, Vancouver, Washington, undated
- ItemBB032698 - Spokane, Portland and Seattle Railway Engineering Drawing: Deck Plate Girder (DPG), Bridge 11.5, Vancouver, Washington, undated
- ItemBB032699 - Spokane, Portland and Seattle Railway Engineering Drawing: Additional Girders, Bridge 11.3 - Underpass, Vancouver, Washington, undated
- 1048 more...