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
- 2996 more...
- ItemBB026468 - Great Northern Engineering Drawing: Repairs - Fender Pier 7, Bridge 4 - Salmon Bay, Ballard, Washington, undated
- ItemBB026469 - Great Northern Engineering Drawing: Plan Replace Gas Engine, Bridge 4 - Salmon Bay, Ballard, Washington, undated
- ItemBB026470 - Great Northern Engineering Drawing: Shop Plan - New Counterweight, Bridge 4 - Salmon Bay, Ballard, Washington, undated
- ItemBB026471 - Great Northern Engineering Drawing: Shop Plan - Counterweight, Bridge 4 - Salmon Bay, Ballard, Washington, undated
- ItemBB026472 - Great Northern Engineering Drawing: Shop Plan - Counterweight, Bridge 4 - Salmon Bay, Ballard, Washington, undated
- ItemBB026473 - Great Northern Engineering Drawing: Shop Plan - Concrete Counterweight, Bridge 4 - Salmon Bay, Ballard, Washington, undated
- ItemBB026474 - Great Northern Engineering Drawing: Shop Plan - Stress Investigation, Bridge 4 - Salmon Bay, Ballard, Washington, undated
- ItemBB026475 - Great Northern Engineering Drawing: Shop Plan - Stress Investigation, Bridge 4 - Salmon Bay, Ballard, Washington, undated
- ItemBB026476 - Great Northern Engineering Drawing: Shop Plan - Counterweight, Bridge 4 - Salmon Bay, Ballard, Washington, undated
- 996 more...