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
- 1778 more...
- ItemBB028361 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bottom Laterals, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028362 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bottom Laterals, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028363 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Portal Details, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028364 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Longitudinal Struts, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028365 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Longitudinal Struts, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028366 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Strut and Laterals, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028367 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Internal Portal, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028368 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Top Struts, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028369 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Tow Brace, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- 2131 more...