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
- 1638 more...
- ItemBB025416 - Spokane, Portland and Seattle Railway Engineering Drawing: Rope Adjuster, Bridge E126.9 - Willamette River, South of Harrisburg, Oregon, undated
- ItemBB025417 - Spokane, Portland and Seattle Railway Engineering Drawing: Hand Brake, Bridge E126.9 - Willamette River, South of Harrisburg, Oregon, undated
- ItemBB025418 - Spokane, Portland and Seattle Railway Engineering Drawing: Wiring Diagram/Torque Curve, Bridge E126.9 - Willamette River, South of Harrisburg, Oregon, undated
- ItemBB025419 - Spokane, Portland and Seattle Railway Engineering Drawing: Limit Switch Height Indicator, Bridge E126.9 - Willamette River, South of Harrisburg, Oregon, undated
- ItemBB025420 - Spokane, Portland and Seattle Railway Engineering Drawing: Navigation Lamps, Bridge E126.9 - Willamette River, South of Harrisburg, Oregon, undated
- ItemBB025421 - Spokane, Portland and Seattle Railway Engineering Drawing: Rail Locks, Bridge E126.9 - Willamette River, South of Harrisburg, Oregon, undated
- ItemBB025422 - Spokane, Portland and Seattle Railway Engineering Drawing: Trolleys, Bridge E126.9 - Willamette River, South of Harrisburg, Oregon, undated
- ItemBB025423 - Spokane, Portland and Seattle Railway Engineering Drawing: Guard/Centering Casting, Bridge E126.9 - Willamette River, South of Harrisburg, Oregon, undated
- ItemBB025424 - Spokane, Portland and Seattle Railway Engineering Drawing: Guard/Centering Casting, Bridge E126.9 - Willamette River, South of Harrisburg, Oregon, undated
- 2271 more...