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
- 1870 more...
- ItemBB028453 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Diagonals, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028454 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Strut Details, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028455 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Portal Detail, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028456 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Sway Brace, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028457 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Top Struts, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028458 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Top Laterals, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028459 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Floor Beams, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028460 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bottom and Top Laterals, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028461 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Stringers, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- 2039 more...