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
- 2548 more...
- ItemBB031628 - Spokane, Portland and Seattle Railway Engineering Drawing: Framing and Plate Refuge Platform, undated
- ItemBB031629 - Spokane, Portland and Seattle Railway Engineering Drawing: Deck Plan, undated
- ItemBB031630 - Spokane, Portland and Seattle Railway Engineering Drawing: Bill of Sway Brace Material, undated
- ItemBB031631 - Spokane, Portland and Seattle Railway Engineering Drawing: Five Pier Bulkhead South Track, undated
- ItemBB031632 - Spokane, Portland and Seattle Railway Engineering Drawing: Ballast Deck Bulkhead South Track, undated
- ItemBB031636 - Spokane, Portland and Seattle Railway Engineering Drawing: System Bridge Painting Record, undated
- ItemBB031637 - Spokane, Portland and Seattle Railway Engineering Drawing: Bridge Construction/Fill, etc., undated
- ItemBB031638 - Spokane, Portland and Seattle Railway Engineering Drawing: Moment Diagram Standard Load, undated
- ItemBB031660 - Spokane, Portland and Seattle Railway Engineering Drawing: Brake Swing Machinery, Bridge 9.6 - Columbia River, Vancouver, Washington, undated
- 1361 more...