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
- 397 more...
- ItemBB022420 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Stringer/Brace, Bridge T44.0 - Deschutes River, South of Oakbrook, Oregon, undated
- ItemBB022421 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Matchmarking, Bridge T44.0 - Deschutes River, South of Oakbrook, Oregon, undated
- ItemBB022422 - Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bill Pins, Bridge T44.0 - Deschutes River, South of Oakbrook, Oregon, undated
- ItemBB022423 - Spokane, Portland and Seattle Railway Engineering Drawing: Substructure, Bridge T49.2 - White River, South of Sherar, Oregon, undated
- ItemBB022425 - Spokane, Portland and Seattle Railway Engineering Drawing: Tie/Shim Details, Bridge T49.2 - White River, South of Sherar, Oregon, undated
- ItemBB022426 - Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge T49.2 - White River, South of Sherar, Oregon, 1957
- ItemBB022427 - Spokane, Portland and Seattle Railway Engineering Drawing: General Plan/Masonry, Bridge T49.2 - White River, South of Sherar, Oregon, 1910
- ItemBB022428 - Spokane, Portland and Seattle Railway Engineering Drawing: Through Plate Girder Span, Bridge T49.2 - White River, South of Sherar, Oregon, undated
- ItemBB022429 - Spokane, Portland and Seattle Railway Engineering Drawing: Through Plate Girder Span, Bridge T49.2 - White River, South of Sherar, Oregon, undated
- 3512 more...