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
- 978 more...
- ItemBB023025 - Spokane, Portland and Seattle Railway Engineering Drawing: Reinforcement Bar Details, Bridge E43.4 - Willamette River, South of Tualatin, Oregon, undated
- ItemBB023026 - Spokane, Portland and Seattle Railway Engineering Drawing: Reinforcement Bar List, Bridge E43.4 - Willamette River, South of Tualatin, Oregon, undated
- ItemBB023027 - Spokane, Portland and Seattle Railway Engineering Drawing: Embankment Details, Bridge E43.4 - Willamette River, South of Tualatin, Oregon, undated
- ItemBB023029 - Spokane, Portland and Seattle Railway Engineering Drawing: Anchorage Plan, Bridge E43.4 - Willamette River, South of Tualatin, Oregon, undated
- ItemBB023030 - Spokane, Portland and Seattle Railway Engineering Drawing: Deck Plate Girder (DPG) Span Details, Bridge E43.4 - Willamette River, South of Tualatin, Oregon, undated
- ItemBB023031 - Spokane, Portland and Seattle Railway Engineering Drawing: Truss Span Section, Bridge E43.4 - Willamette River, South of Tualatin, Oregon, undated
- ItemBB023032 - Spokane, Portland and Seattle Railway Engineering Drawing: Truss Span Details, Bridge E43.4 - Willamette River, South of Tualatin, Oregon, undated
- ItemBB023033 - Spokane, Portland and Seattle Railway Engineering Drawing: Truss Span Details, Bridge E43.4 - Willamette River, South of Tualatin, Oregon, undated
- ItemBB023034 - Spokane, Portland and Seattle Railway Engineering Drawing: Truss Span Floor System, Bridge E43.4 - Willamette River, South of Tualatin, Oregon, undated
- 2931 more...