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
- 371 more...
- ItemBB022393 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Column Brace, Bridge T43.7 - Deschutes River, South of Oakbrook, Oregon, undated
- ItemBB022394 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Column Brace, Bridge T43.7 - Deschutes River, South of Oakbrook, Oregon, undated
- ItemBB022395 - Spokane, Portland and Seattle Railway Engineering Drawing: Second Crossing, Bridge T44.0 - Deschutes River, South of Oakbrook, Oregon, undated
- ItemBB022396 - Spokane, Portland and Seattle Railway Engineering Drawing: General Diagram, Bridge T44.0 - Deschutes River, South of Oakbrook, Oregon, undated
- ItemBB022397 - Spokane, Portland and Seattle Railway Engineering Drawing: North Abutment, Bridge T44.0 - Deschutes River, South of Oakbrook, Oregon, undated
- ItemBB022398 - Spokane, Portland and Seattle Railway Engineering Drawing: Piers I/IV, Bridge T44.0 - Deschutes River, South of Oakbrook, Oregon, undated
- ItemBB022399 - Spokane, Portland and Seattle Railway Engineering Drawing: Pier II, Bridge T44.0 - Deschutes River, South of Oakbrook, Oregon, undated
- ItemBB022400 - Spokane, Portland and Seattle Railway Engineering Drawing: Pier III, Bridge T44.0 - Deschutes River, South of Oakbrook, Oregon, undated
- ItemBB022401 - Spokane, Portland and Seattle Railway Engineering Drawing: South Abutment, Bridge T44.0 - Deschutes River, South of Oakbrook, Oregon, undated
- 3538 more...