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
- 3378 more...
- ItemBB033387 - Spokane, Portland and Seattle Railway Engineering Drawing: Falsework Bents and Details, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB033388 - Spokane, Portland and Seattle Railway Engineering Drawing: Panel Brace and Details, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB033389 - Spokane, Portland and Seattle Railway Engineering Drawing: End Post Line Up, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB033390 - Spokane, Portland and Seattle Railway Engineering Drawing: Direct of Jacking, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- 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
- 531 more...