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
- 999 more...
- ItemBB023047 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Cross Frame, Bridge E43.4 - Willamette River, South of Tualatin, Oregon, undated
- ItemBB023048 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Girders, Bridge E43.4 - Willamette River, South of Tualatin, Oregon, undated
- ItemBB023049 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Girders, Bridge E43.4 - Willamette River, South of Tualatin, Oregon, undated
- ItemBB023050 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Girders, Bridge E43.4 - Willamette River, South of Tualatin, Oregon, undated
- ItemBB023051 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Span Details, Bridge E43.4 - Willamette River, South of Tualatin, Oregon, undated
- ItemBB023052 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Deck Plate Girder (DPG) Spans, Bridge E43.4 - Willamette River, South of Tualatin, Oregon, undated
- ItemBB023053 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Deck Plate Girder (DPG) Spans, Bridge E43.4 - Willamette River, South of Tualatin, Oregon, undated
- ItemBB023054 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Brace/Grate, Bridge E43.4 - Willamette River, South of Tualatin, Oregon, undated
- ItemBB023055 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Expansion Joints, Bridge E43.4 - Willamette River, South of Tualatin, Oregon, undated
- 2910 more...