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
- 3074 more...
- ItemBB026546 - Great Northern Engineering Drawing: Shop Plan - Top Chord, Bridge 4 - Salmon Bay, Ballard, Washington, undated
- ItemBB026547 - Great Northern Engineering Drawing: Shop Plan - Top Chord, Bridge 4 - Salmon Bay, Ballard, Washington, undated
- ItemBB026548 - Great Northern Engineering Drawing: Shop Plan - Top Chord, Bridge 4 - Salmon Bay, Ballard, Washington, undated
- ItemBB026549 - Great Northern Engineering Drawing: Shop Plan - Top Chord, Bridge 4 - Salmon Bay, Ballard, Washington, undated
- ItemBB026550 - Great Northern Engineering Drawing: Shop Plan - End Post, Bridge 4 - Salmon Bay, Ballard, Washington, undated
- ItemBB026551 - Great Northern Engineering Drawing: Shop Plan - End Post, Bridge 4 - Salmon Bay, Ballard, Washington, undated
- ItemBB026552 - Great Northern Engineering Drawing: Shop Plan - Details Floor Beam, Bridge 4 - Salmon Bay, Ballard, Washington, undated
- ItemBB026553 - Great Northern Engineering Drawing: Shop Plan - Details Floor Beam, Bridge 4 - Salmon Bay, Ballard, Washington, undated
- ItemBB026554 - Great Northern Engineering Drawing: Shop Plan - Details Floor Beam, Bridge 4 - Salmon Bay, Ballard, Washington, undated
- 918 more...