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
- 360 more...
- ItemBB022382 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Top Lateral, Bridge T43.7 - Deschutes River, South of Oakbrook, Oregon, undated
- ItemBB022383 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Stringers, Bridge T43.7 - Deschutes River, South of Oakbrook, Oregon, undated
- ItemBB022384 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Top Lateral, Bridge T43.7 - Deschutes River, South of Oakbrook, Oregon, undated
- ItemBB022385 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Stringers, Bridge T43.7 - Deschutes River, South of Oakbrook, Oregon, undated
- ItemBB022386 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Cross Girder, Bridge T43.7 - Deschutes River, South of Oakbrook, Oregon, undated
- ItemBB022387 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bottom Lateral, Bridge T43.7 - Deschutes River, South of Oakbrook, Oregon, undated
- ItemBB022388 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Castings, Bridge T43.7 - Deschutes River, South of Oakbrook, Oregon, undated
- ItemBB022389 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Top Lateral, Bridge T43.7 - Deschutes River, South of Oakbrook, Oregon, undated
- ItemBB022390 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bill Pins, Bridge T43.7 - Deschutes River, South of Oakbrook, Oregon, undated
- 3549 more...