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
- 1609 more...
- ItemBB025387 - Spokane, Portland and Seattle Railway Engineering Drawing: Extension Bridge Over River, Bridge E126.9 - Willamette River, South of Harrisburg, Oregon, undated
- ItemBB025388 - Spokane, Portland and Seattle Railway Engineering Drawing: General Plan/Record of Bore, Bridge E126.9 - Willamette River, South of Harrisburg, Oregon, undated
- ItemBB025389 - Spokane, Portland and Seattle Railway Engineering Drawing: Substructure, Bridge E126.9 - Willamette River, South of Harrisburg, Oregon, undated
- ItemBB025390 - Spokane, Portland and Seattle Railway Engineering Drawing: Detail of Piers, Bridge E126.9 - Willamette River, South of Harrisburg, Oregon, undated
- ItemBB025391 - Spokane, Portland and Seattle Railway Engineering Drawing: Plan of Falsework, Bridge E126.9 - Willamette River, South of Harrisburg, Oregon, undated
- ItemBB025392 - Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge E126.9 - Willamette River, South of Harrisburg, Oregon, 1959
- ItemBB025393 - Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge E126.9 - Willamette River, South of Harrisburg, Oregon, 1951
- ItemBB025394 - Spokane, Portland and Seattle Railway Engineering Drawing: Through Plate Girder Spans, Bridge E126.9 - Willamette River, South of Harrisburg, Oregon, undated
- ItemBB025395 - Spokane, Portland and Seattle Railway Engineering Drawing: Detail of Piers, Bridge E126.9 - Willamette River, South of Harrisburg, Oregon, undated
- 2300 more...