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
- 3403 more...
- ItemBB033412 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Web Plate, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB033413 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Brake Band, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB033414 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Brake Wheel, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB033415 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Taper Pin, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB033416 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Center Casting, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB033417 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Repair Casting, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB033422 - Spokane, Portland and Seattle Railway Engineering Drawing: Remodel Houses, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, 1962
- ItemBB033423 - Spokane, Portland and Seattle Railway Engineering Drawing: Telegraph Bracket Details, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB033424 - Spokane, Portland and Seattle Railway Engineering Drawing: Wiring Diagram End Lift Motor, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- 506 more...