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
- 1061 more...
- ItemBB023109 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Layout, Bridge E43.4 - Willamette River, South of Tualatin, Oregon, undated
- ItemBB023110 - Spokane, Portland and Seattle Railway Engineering Drawing: Top Re - Bar Spacing, Bridge E43.4 - Willamette River, South of Tualatin, Oregon, undated
- ItemBB023111 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Steel Form, Bridge E43.4 - Willamette River, South of Tualatin, Oregon, undated
- ItemBB023112 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Steel Form, Bridge E43.4 - Willamette River, South of Tualatin, Oregon, undated
- ItemBB023114 - Spokane, Portland and Seattle Railway Engineering Drawing: Shoofly Plan/Grade Line, Bridge E66.6 - Salem Parkway, South of Hopmere, Oregon, undated
- ItemBB023115 - Spokane, Portland and Seattle Railway Engineering Drawing: Foundation Data, Bridge E66.6 - Salem Parkway, South of Hopmere, Oregon, undated
- ItemBB023116 - Spokane, Portland and Seattle Railway Engineering Drawing: Deck Details, Bridge E66.6 - Salem Parkway, South of Hopmere, Oregon, undated
- ItemBB023117 - Spokane, Portland and Seattle Railway Engineering Drawing: Steel Beam Details, Bridge E66.6 - Salem Parkway, South of Hopmere, Oregon, undated
- ItemBB023118 - Spokane, Portland and Seattle Railway Engineering Drawing: Pedestal Rail/Expansion Bearing, Bridge E66.6 - Salem Parkway, South of Hopmere, Oregon, undated
- 2848 more...