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
- 341 more...
- ItemBB022363 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Floor Plan, Bridge T43.7 - Deschutes River, South of Oakbrook, Oregon, undated
- ItemBB022364 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Guard Angles, Bridge T43.7 - Deschutes River, South of Oakbrook, Oregon, undated
- ItemBB022365 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Masonry Plan, Bridge T43.7 - Deschutes River, South of Oakbrook, Oregon, undated
- ItemBB022366 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Erection Diagram, Bridge T43.7 - Deschutes River, South of Oakbrook, Oregon, undated
- ItemBB022367 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Deck Plate Girder, Bridge T43.7 - Deschutes River, South of Oakbrook, Oregon, undated
- 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
- 3568 more...