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
- 2988 more...
- ItemBB026460 - Great Northern Engineering Drawing: Deck Plan, Bridge 4 - Salmon Bay, Ballard, Washington, 1944
- ItemBB026461 - Great Northern Engineering Drawing: Deck Plan, Bridge 4 - Salmon Bay, Ballard, Washington, 1944
- ItemBB026462 - Great Northern Engineering Drawing: Deck Plan, Bridge 4 - Salmon Bay, Ballard, Washington, undated
- ItemBB026463 - Great Northern Engineering Drawing: Fender - Pier Number 7, Bridge 4 - Salmon Bay, Ballard, Washington, undated
- ItemBB026464 - Great Northern Engineering Drawing: Guide - Pier Number 8, Bridge 4 - Salmon Bay, Ballard, Washington, undated
- ItemBB026465 - Great Northern Engineering Drawing: Details Mitered Rails, Bridge 4 - Salmon Bay, Ballard, Washington, undated
- ItemBB026466 - Great Northern Engineering Drawing: Guide - 112 Pound Metal Rail, Bridge 4 - Salmon Bay, Ballard, Washington, undated
- ItemBB026467 - Great Northern Engineering Drawing: Encase Brackets 17 and 18, Bridge 4 - Salmon Bay, Ballard, Washington, undated
- ItemBB026468 - Great Northern Engineering Drawing: Repairs - Fender Pier 7, Bridge 4 - Salmon Bay, Ballard, Washington, undated
- 1004 more...