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
- 943 more...
- ItemBB022989 - Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge E35.3 - Tualatin River, South of Tigard, Oregon, 1941
- ItemBB022990 - Spokane, Portland and Seattle Railway Engineering Drawing: General Plan/Concrete Pier, Bridge E35.3 - Tualatin River, South of Tigard, Oregon, undated
- ItemBB022991 - Spokane, Portland and Seattle Railway Engineering Drawing: Detail of Falsework, Bridge E35.3 - Tualatin River, South of Tigard, Oregon, undated
- ItemBB022992 - Spokane, Portland and Seattle Railway Engineering Drawing: Piers/Falsework, Bridge E35.3 - Tualatin River, South of Tigard, Oregon, undated
- ItemBB022993 - Spokane, Portland and Seattle Railway Engineering Drawing: General Plan, Bridge E35.3 - Tualatin River, South of Tigard, Oregon, 1918
- ItemBB022994 - Spokane, Portland and Seattle Railway Engineering Drawing: Detail of Howe Truss, Bridge E35.3 - Tualatin River, South of Tigard, Oregon, undated
- ItemBB022995 - Spokane, Portland and Seattle Railway Engineering Drawing: Miscellaneous/Bill of Material, Bridge E35.3 - Tualatin River, South of Tigard, Oregon, undated
- ItemBB022996 - Spokane, Portland and Seattle Railway Engineering Drawing: Piers/Falsework, Bridge E35.3 - Tualatin River, South of Tigard, Oregon, undated
- ItemBB022997 - Spokane, Portland and Seattle Railway Engineering Drawing: Stress Diagram, Bridge E35.3 - Tualatin River, South of Tigard, Oregon, undated
- 2966 more...