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
- 3382 more...
- ItemBB033391 - Spokane, Portland and Seattle Railway Engineering Drawing: Joint L8 and Saddles, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB033392 - Spokane, Portland and Seattle Railway Engineering Drawing: Joint L10 Connect, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB033393 - Spokane, Portland and Seattle Railway Engineering Drawing: U8 Connection Details, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB033394 - Spokane, Portland and Seattle Railway Engineering Drawing: General View U8 L10, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB033395 - Spokane, Portland and Seattle Railway Engineering Drawing: Falsework Bracing, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB033396 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Shaft Assembly, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB033397 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bolt/Ring, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB033398 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Pin/Gear/Washer, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB033399 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Shaft, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- 527 more...