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
- 2919 more...
- ItemBB032750 - Spokane, Portland and Seattle Railway Engineering Drawing: Detail of I - Beam Span, Bridge 24.8 - Washougal River (West End), Washington, undated
- ItemBB032751 - Spokane, Portland and Seattle Railway Engineering Drawing: Plan of Crossing, Bridge 24.8 - Washougal River (West End), Washington, undated
- ItemBB032752 - Spokane, Portland and Seattle Railway Engineering Drawing: Girder Addition, Bridge 24.8 - Washougal River (West End), Washington, 1968
- ItemBB032753 - Spokane, Portland and Seattle Railway Engineering Drawing: Cast Iron Shims, Bridge 24.8 - Washougal River (West End), Washington, undated
- ItemBB032754 - Spokane, Portland and Seattle Railway Engineering Drawing: Topographic Map, Bridge 31.3 - Hathaway Creek, East of Washougal, Washington, undated
- ItemBB032755 - Spokane, Portland and Seattle Railway Engineering Drawing: Proposed Channel Pathway Check, Bridge 31.3 - Hathaway Creek, East of Washougal, Washington, undated
- ItemBB032756 - Spokane, Portland and Seattle Railway Engineering Drawing: Plat of Channel Change, Bridge 31.3 - Hathaway Creek, East of Washougal, Washington, undated
- ItemBB032757 - Spokane, Portland and Seattle Railway Engineering Drawing: Channel Change, Bridge 31.3 - Hathaway Creek, East of Washougal, Washington, undated
- ItemBB032758 - Spokane, Portland and Seattle Railway Engineering Drawing: Abutments and Retaining Wall, Bridge 31.3 - Hathaway Creek, East of Washougal, Washington, undated
- 990 more...