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
- 3111 more...
- ItemBB032951 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Beams, Bridge 190.6 - Four Mile Canyon, East of Paterson, Washington, undated
- ItemBB032952 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Beams, Bridge 190.6 - Four Mile Canyon, East of Paterson, Washington, undated
- ItemBB032953 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Beams, Bridge 190.6 - Four Mile Canyon, East of Paterson, Washington, undated
- ItemBB032954 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Walkway Brackets, Bridge 190.6 - Four Mile Canyon, East of Paterson, Washington, undated
- ItemBB032955 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Floor and Side Plate, Bridge 190.6 - Four Mile Canyon, East of Paterson, Washington, undated
- 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
- 798 more...