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
- 335 more...
- ItemBB022357 - Spokane, Portland and Seattle Railway Engineering Drawing: Bearings, Bridge T43.7 - Deschutes River, South of Oakbrook, Oregon, undated
- ItemBB022358 - Spokane, Portland and Seattle Railway Engineering Drawing: General Plan, Bridge T43.7 - Deschutes River, South of Oakbrook, Oregon, undated
- ItemBB022359 - Spokane, Portland and Seattle Railway Engineering Drawing: T43.7 and T44.0 Bents, Bridge T43.7 - Deschutes River, South of Oakbrook, Oregon, undated
- ItemBB022360 - Spokane, Portland and Seattle Railway Engineering Drawing: Deck Girder Spans, Bridge T43.7 - Deschutes River, South of Oakbrook, Oregon, undated
- ItemBB022361 - Spokane, Portland and Seattle Railway Engineering Drawing: Piers/South Abutment, Bridge T43.7 - Deschutes River, South of Oakbrook, Oregon, undated
- ItemBB022362 - Spokane, Portland and Seattle Railway Engineering Drawing: North Abutment, Bridge T43.7 - Deschutes River, South of Oakbrook, Oregon, undated
- 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
- 3574 more...