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
- 3429 more...
- ItemBB033443 - Spokane, Portland and Seattle Railway Engineering Drawing: Details of Ties, Bridge 5.7 - Union Pacific Railroad, North of Willbridge, Oregon, undated
- ItemBB033444 - Spokane, Portland and Seattle Railway Engineering Drawing: Deck Plate Girder (DPG), Bridge 5.7 - Union Pacific Railroad, North of Willbridge, Oregon, undated
- ItemBB033445 - Spokane, Portland and Seattle Railway Engineering Drawing: Girder Sketch, Bridge 5.7 - Union Pacific Railroad, North of Willbridge, Oregon, 1909
- ItemBB033446 - Spokane, Portland and Seattle Railway Engineering Drawing: Bracket for Girders, Bridge 5.7 - Union Pacific Railroad, North of Willbridge, Oregon, undated
- ItemBB033447 - Spokane, Portland and Seattle Railway Engineering Drawing: General Plan, Bridge 5.8 - Willamette Boulevard, North of Willbridge, Oregon, 1909
- ItemBB033448 - Spokane, Portland and Seattle Railway Engineering Drawing: Pier and Abutment Details, Bridge 5.8 - Willamette Boulevard, North of Willbridge, Oregon, undated
- ItemBB033449 - Spokane, Portland and Seattle Railway Engineering Drawing: Details of Floor, Bridge 5.8 - Willamette Boulevard, North of Willbridge, Oregon, undated
- ItemBB033450 - Spokane, Portland and Seattle Railway Engineering Drawing: Stress Sheet, Bridge 5.8 - Willamette Boulevard, North of Willbridge, Oregon, undated
- ItemBB033451 - Spokane, Portland and Seattle Railway Engineering Drawing: Details of Towers, Bridge 5.8 - Willamette Boulevard, North of Willbridge, Oregon, undated
- 480 more...