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
- 1910 more...
- ItemBB030139 - Spokane, Portland and Seattle Railway Engineering Drawing: Boat Passage, Boat Passage - Cliffs to Towal Section, Oregon, undated
- ItemBB030140 - Spokane, Portland and Seattle Railway Engineering Drawing: Plan Elevation and Details, Bridge 241.2 - Highway, North of Martindale, Washington, undated
- ItemBB030141 - Spokane, Portland and Seattle Railway Engineering Drawing: Abutment Plate and Details, Bridge 241.2 - Highway, North of Martindale, Washington, undated
- ItemBB030142 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Girders - Spans, Bridge 241.2 - Highway, North of Martindale, Washington, undated
- ItemBB030143 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Handrail Diagram, Bridge 241.2 - Highway, North of Martindale, Washington, undated
- ItemBB030144 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Anchor and Bolt, Bridge 241.2 - Highway, North of Martindale, Washington, undated
- ItemBB030145 - Spokane, Portland and Seattle Railway Engineering Drawing: General Plan, Bridge 265.8 - Burr Canyon, North of Burr, Washington, 1907
- ItemBB030146 - Spokane, Portland and Seattle Railway Engineering Drawing: Stress Sheet, Bridge 265.8 - Burr Canyon, North of Burr, Washington, undated
- ItemBB030147 - Spokane, Portland and Seattle Railway Engineering Drawing: Stress Sheet, Bridge 265.8 - Burr Canyon, North of Burr, Washington, undated
- 1999 more...