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
- 346 more...
- ItemBB022368 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Deck Plate Girder, Bridge T43.7 - Deschutes River, South of Oakbrook, Oregon, undated
- ItemBB022369 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Deck Plate Girder, Bridge T43.7 - Deschutes River, South of Oakbrook, Oregon, undated
- ItemBB022370 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Deck Plate Girder, Bridge T43.7 - Deschutes River, South of Oakbrook, Oregon, undated
- ItemBB022371 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Cross Frame, Bridge T43.7 - Deschutes River, South of Oakbrook, Oregon, undated
- ItemBB022372 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Shoes, Bridge T43.7 - Deschutes River, South of Oakbrook, Oregon, undated
- ItemBB022373 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Erection Diagram, Bridge T43.7 - Deschutes River, South of Oakbrook, Oregon, undated
- ItemBB022374 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Rivet Span, Bridge T43.7 - Deschutes River, South of Oakbrook, Oregon, undated
- ItemBB022375 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Floorbeams, Bridge T43.7 - Deschutes River, South of Oakbrook, Oregon, undated
- ItemBB022376 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Stringers, Bridge T43.7 - Deschutes River, South of Oakbrook, Oregon, undated
- 3563 more...