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
- 390 more...
- ItemBB022413 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Girders, Bridge T44.0 - Deschutes River, South of Oakbrook, Oregon, undated
- ItemBB022414 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Shoes/Crossframe, Bridge T44.0 - Deschutes River, South of Oakbrook, Oregon, undated
- ItemBB022415 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Trusses, Bridge T44.0 - Deschutes River, South of Oakbrook, Oregon, undated
- ItemBB022416 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Laterals, Bridge T44.0 - Deschutes River, South of Oakbrook, Oregon, undated
- ItemBB022417 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Sway Brace, Bridge T44.0 - Deschutes River, South of Oakbrook, Oregon, undated
- ItemBB022418 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Floor Beam/Stringer, Bridge T44.0 - Deschutes River, South of Oakbrook, Oregon, undated
- ItemBB022419 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Shoes, Bridge T44.0 - Deschutes River, South of Oakbrook, Oregon, undated
- ItemBB022420 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Stringer/Brace, Bridge T44.0 - Deschutes River, South of Oakbrook, Oregon, undated
- ItemBB022421 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Matchmarking, Bridge T44.0 - Deschutes River, South of Oakbrook, Oregon, undated
- 3519 more...