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
- 2911 more...
- 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
- ItemBB032745 - Spokane, Portland and Seattle Railway Engineering Drawing: Plan of Abutments, Bridge 24.8 - Washougal River (West End), Washington, undated
- ItemBB032746 - Spokane, Portland and Seattle Railway Engineering Drawing: Tie Frame Plan, Bridge 24.8 - Washougal River (West End), Washington, undated
- ItemBB032747 - Spokane, Portland and Seattle Railway Engineering Drawing: South Span Tie Plan, Bridge 24.8 - Washougal River (West End), Washington, undated
- ItemBB032748 - Spokane, Portland and Seattle Railway Engineering Drawing: North Span Tie Plan, Bridge 24.8 - Washougal River (West End), Washington, undated
- ItemBB032749 - Spokane, Portland and Seattle Railway Engineering Drawing: Proposed Bridge, Bridge 24.8 - Washougal River (West End), Washington, 1906
- ItemBB032750 - Spokane, Portland and Seattle Railway Engineering Drawing: Detail of I - Beam Span, Bridge 24.8 - Washougal River (West End), Washington, undated
- 998 more...