Railroad Archives Online
- CollectionD0027 - Timothy Miller Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1009 - Engineering Records
- Subseries Level 2008 - Physical plant drawing
- Subseries Level 3001 - Bridges
- 474 more...
- ItemBB021474 - Great Northern Engineering Drawing: General Plan, Bridge 458.1, West of Snohomish, Washington, 1941
- ItemBB021475 - Great Northern Engineering Drawing: Masonry Plan, Bridge 458.1, West of Snohomish, Washington, 1941
- ItemBB021476 - Great Northern Engineering Drawing: Shop Plan - Structural Steel, Bridge 458.1, West of Snohomish, Washington, 1941
- ItemBB021477 - Great Northern Engineering Drawing: Shop Plan - Structural Steel, Bridge 458.1, West of Snohomish, Washington, 1941
- ItemBB021478 - Great Northern Engineering Drawing: Deck Plan, Bridge 458.1, West of Snohomish, Washington, 1952
- ItemBB021479 - Great Northern Engineering Drawing: Steel Repairs Details, Bridge 458.1, West of Snohomish, Washington, 1941
- ItemBB021480 - Great Northern Engineering Drawing: General Plan, Bridge 450, West of Monroe, Washington, 1941
- ItemBB021481 - Great Northern Engineering Drawing: General Plan, Bridge 450, West of Monroe, Washington, 1941
- ItemBB021482 - Great Northern Engineering Drawing: Deck Plan, Bridge 450, West of Monroe, Washington, 1970
- 3518 more...