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
- 995 more...
- ItemBB023043 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Frame Plans, Bridge E43.4 - Willamette River, South of Tualatin, Oregon, undated
- ItemBB023044 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Expansion Joint/Inspection, Bridge E43.4 - Willamette River, South of Tualatin, Oregon, undated
- ItemBB023045 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Expansion Bearings/Girder, Bridge E43.4 - Willamette River, South of Tualatin, Oregon, undated
- ItemBB023046 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bearings, etc., Bridge E43.4 - Willamette River, South of Tualatin, Oregon, undated
- 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
- 2914 more...