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
- 1626 more...
- ItemBB025404 - Spokane, Portland and Seattle Railway Engineering Drawing: Detail Top Section/Hoods, Bridge E126.9 - Willamette River, South of Harrisburg, Oregon, undated
- ItemBB025405 - Spokane, Portland and Seattle Railway Engineering Drawing: Detail of Mid Section, Bridge E126.9 - Willamette River, South of Harrisburg, Oregon, undated
- ItemBB025406 - Spokane, Portland and Seattle Railway Engineering Drawing: Detail of Bottom Section, Bridge E126.9 - Willamette River, South of Harrisburg, Oregon, undated
- ItemBB025407 - Spokane, Portland and Seattle Railway Engineering Drawing: Stairs/Platforms, Bridge E126.9 - Willamette River, South of Harrisburg, Oregon, undated
- ItemBB025408 - Spokane, Portland and Seattle Railway Engineering Drawing: Counterweight/Tower Details, Bridge E126.9 - Willamette River, South of Harrisburg, Oregon, undated
- ItemBB025409 - Spokane, Portland and Seattle Railway Engineering Drawing: Machinery Beams, Bridge E126.9 - Willamette River, South of Harrisburg, Oregon, undated
- ItemBB025410 - Spokane, Portland and Seattle Railway Engineering Drawing: Operators House, Bridge E126.9 - Willamette River, South of Harrisburg, Oregon, undated
- ItemBB025411 - Spokane, Portland and Seattle Railway Engineering Drawing: Tower Sheave/Equalizer, Bridge E126.9 - Willamette River, South of Harrisburg, Oregon, undated
- ItemBB025412 - Spokane, Portland and Seattle Railway Engineering Drawing: Machinery General Arrangement, Bridge E126.9 - Willamette River, South of Harrisburg, Oregon, undated
- 2283 more...