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
- 368 more...
- ItemBB022390 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bill Pins, Bridge T43.7 - Deschutes River, South of Oakbrook, Oregon, undated
- ItemBB022391 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Matchmarking, Bridge T43.7 - Deschutes River, South of Oakbrook, Oregon, undated
- ItemBB022392 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Column/Bolster, Bridge T43.7 - Deschutes River, South of Oakbrook, Oregon, undated
- ItemBB022393 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Column Brace, Bridge T43.7 - Deschutes River, South of Oakbrook, Oregon, undated
- ItemBB022394 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Column Brace, Bridge T43.7 - Deschutes River, South of Oakbrook, Oregon, undated
- ItemBB022395 - Spokane, Portland and Seattle Railway Engineering Drawing: Second Crossing, Bridge T44.0 - Deschutes River, South of Oakbrook, Oregon, undated
- ItemBB022396 - Spokane, Portland and Seattle Railway Engineering Drawing: General Diagram, Bridge T44.0 - Deschutes River, South of Oakbrook, Oregon, undated
- ItemBB022397 - Spokane, Portland and Seattle Railway Engineering Drawing: North Abutment, Bridge T44.0 - Deschutes River, South of Oakbrook, Oregon, undated
- ItemBB022398 - Spokane, Portland and Seattle Railway Engineering Drawing: Piers I/IV, Bridge T44.0 - Deschutes River, South of Oakbrook, Oregon, undated
- 3541 more...