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
- 2905 more...
- ItemBB032736 - Spokane, Portland and Seattle Railway Engineering Drawing: Steel Shims, Bridge 24.8 - Washougal River (West End), Camas, Washington, undated
- ItemBB032737 - Spokane, Portland and Seattle Railway Engineering Drawing: Through Pin Connection Truss, Bridge 24.8 - Washougal River (West End), Camas, Washington, undated
- ItemBB032738 - Spokane, Portland and Seattle Railway Engineering Drawing: Stress Diagram, Bridge 24.8 - Washougal River (West End), Camas, Washington, undated
- ItemBB032739 - Spokane, Portland and Seattle Railway Engineering Drawing: Detail of Truss, Bridge 24.8 - Washougal River (West End), Camas, Washington, undated
- ItemBB032740 - Spokane, Portland and Seattle Railway Engineering Drawing: End Elevation and Section, Bridge 24.8 - Washougal River (West End), Camas, Washington, undated
- ItemBB032741 - Spokane, Portland and Seattle Railway Engineering Drawing: Stringers and Laterals, Bridge 24.8 - Washougal River (West End), Camas, Washington, undated
- ItemBB032742 - Spokane, Portland and Seattle Railway Engineering Drawing: Detail of Bearings, Bridge 24.8 - Washougal River (West End), Camas, Washington, undated
- ItemBB032743 - Spokane, Portland and Seattle Railway Engineering Drawing: Detail of Bearings, Bridge 24.8 - Washougal River (West End), Camas, Washington, undated
- ItemBB032744 - Spokane, Portland and Seattle Railway Engineering Drawing: Stringer Laterals and Gusset Plate, Bridge 24.8 - Washougal River (West End), Camas, Washington, undated
- 1004 more...