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
- 1719 more...
- ItemBB028302 - Spokane, Portland and Seattle Railway Engineering Drawing: Stairway Operating House, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028303 - Spokane, Portland and Seattle Railway Engineering Drawing: End Lift Gearing and Details, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028304 - Spokane, Portland and Seattle Railway Engineering Drawing: End Lift Bears, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028305 - Spokane, Portland and Seattle Railway Engineering Drawing: End Lift Strut and Wheel, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028306 - Spokane, Portland and Seattle Railway Engineering Drawing: End Lift Plunger and Latches, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028307 - Spokane, Portland and Seattle Railway Engineering Drawing: End Lift Toggles, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028308 - Spokane, Portland and Seattle Railway Engineering Drawing: End Lift Shaft and Details, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028309 - Spokane, Portland and Seattle Railway Engineering Drawing: End Lift Toggle, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB028310 - Spokane, Portland and Seattle Railway Engineering Drawing: End Lift Gearing, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- 2190 more...