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
- 920 more...
- ItemBB023324 - Great Northern Engineering Drawing: Repairs - West Portal, Bridge 436 - Skykomish River, Index, Washington, 1910
- ItemBB023325 - Great Northern Engineering Drawing: Widen Parapet, Bridge 436 - Skykomish River, Index, Washington, 1919
- ItemBB023326 - Great Northern Engineering Drawing: Tie Plan, Bridge 436 - Skykomish River, Index, Washington, 1920
- ItemBB023327 - Great Northern Engineering Drawing: Deck Plan, Bridge 436 - Skykomish River, Index, Washington, 1932
- ItemBB023328 - Great Northern Engineering Drawing: Reinforcement, Bridge 436 - Skykomish River, Index, Washington, 1937
- ItemBB023329 - Great Northern Engineering Drawing: Reinforcement, Bridge 436 - Skykomish River, Index, Washington, 1937
- ItemBB023330 - Great Northern Engineering Drawing: Encasement Pier 2, Bridge 436 - Skykomish River, Index, Washington, 1953
- ItemBB023331 - Great Northern Engineering Drawing: Deck Plan, Bridge 436 - Skykomish River, Index, Washington, 1954
- ItemBB023332 - Great Northern Engineering Drawing: Tie Details, Bridge 436 - Skykomish River, Index, Washington, 1954
- 3072 more...