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
- 3830 more...
- ItemBB027394 - Great Northern Engineering Drawing: Shop Plan - Bracing Truss, Bridge 4 - Salmon Bay, Ballard, Washington, undated
- ItemBB027395 - Great Northern Engineering Drawing: Shop Plan - Bracing Truss, Bridge 4 - Salmon Bay, Ballard, Washington, undated
- ItemBB027396 - Great Northern Engineering Drawing: Shop Plan - Detail Truss, Bridge 4 - Salmon Bay, Ballard, Washington, undated
- ItemBB027397 - Great Northern Engineering Drawing: Shop Plan - Detail Truss, Bridge 4 - Salmon Bay, Ballard, Washington, undated
- ItemBB027398 - Great Northern Engineering Drawing: Shop Plan - End Post, Bridge 4 - Salmon Bay, Ballard, Washington, undated
- ItemBB027399 - Great Northern Engineering Drawing: Shop Plan - End Post, Bridge 4 - Salmon Bay, Ballard, Washington, undated
- ItemBB027400 - Great Northern Engineering Drawing: Shop Plan - Details Diagonal, Bridge 4 - Salmon Bay, Ballard, Washington, undated
- ItemBB027401 - Great Northern Engineering Drawing: Shop Plan - Details Diagonal, Bridge 4 - Salmon Bay, Ballard, Washington, undated
- ItemBB027402 - Great Northern Engineering Drawing: Shop Plan - Details Diagonal, Bridge 4 - Salmon Bay, Ballard, Washington, undated
- 162 more...