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
- 3103 more...
- ItemBB032943 - Spokane, Portland and Seattle Railway Engineering Drawing: Superstructure, Bridge 174.9 - Glade Creek, East of Whitcomb, Washington, undated
- ItemBB032944 - Spokane, Portland and Seattle Railway Engineering Drawing: Abutments Number 1 and 2 and Pile, Bridge 174.9 - Glade Creek, East of Whitcomb, Washington, undated
- ItemBB032945 - Spokane, Portland and Seattle Railway Engineering Drawing: Piers Number 1 and 2, Bridge 174.9 - Glade Creek, East of Whitcomb, Washington, undated
- ItemBB032946 - Spokane, Portland and Seattle Railway Engineering Drawing: Relocation, Bridge 190.6 - Four Mile Canyon, East of Paterson, Washington, 1949
- ItemBB032947 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Anchor Bolt Layout, Bridge 190.6 - Four Mile Canyon, East of Paterson, Washington, undated
- ItemBB032948 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Erection Diagram, Bridge 190.6 - Four Mile Canyon, East of Paterson, Washington, undated
- ItemBB032949 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Diaphragm and Plate, Bridge 190.6 - Four Mile Canyon, East of Paterson, Washington, undated
- ItemBB032950 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Beams, Bridge 190.6 - Four Mile Canyon, East of Paterson, Washington, undated
- ItemBB032951 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Beams, Bridge 190.6 - Four Mile Canyon, East of Paterson, Washington, undated
- 806 more...