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
- 1757 more...
- ItemBB028340 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bottom Chord, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028341 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bottom Chord, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028342 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bottom Chord, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028343 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bottom Chord, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028344 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bottom Chord, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028345 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Post Details, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028346 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Post Details, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028347 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Post Details, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028348 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Hanger Details, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- 2152 more...