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
- 3116 more...
- ItemBB032956 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bracing, Bridge 190.6 - Four Mile Canyon, East of Paterson, Washington, undated
- ItemBB032957 - Spokane, Portland and Seattle Railway Engineering Drawing: Handrailing, Bridge 190.6 - Four Mile Canyon, East of Paterson, Washington, undated
- ItemBB032958 - Spokane, Portland and Seattle Railway Engineering Drawing: Footing/Wall Plan, Bridge 182.8 - Underpass, East of Plymouth, Washington, undated
- ItemBB032959 - Spokane, Portland and Seattle Railway Engineering Drawing: Relocation, Bridge 182.8 - Underpass, East of Plymouth, Washington, 1949
- ItemBB032960 - Spokane, Portland and Seattle Railway Engineering Drawing: Relocation, Bridge 182.8 - Underpass, East of Plymouth, Washington, 1950
- ItemBB032961 - Spokane, Portland and Seattle Railway Engineering Drawing: Expansion Joint, Bridge 182.8 - Underpass, East of Plymouth, Washington, undated
- ItemBB032962 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Beams, Bridge 182.8 - Underpass, East of Plymouth, Washington, undated
- ItemBB032963 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Anchor Bolt Layout, Bridge 182.8 - Underpass, East of Plymouth, Washington, undated
- ItemBB032964 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Beams, Bridge 204.8 - Spukshowki Canyon, East of Berrian, Washington, 1960
- 793 more...