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
- 3619 more...
- ItemBB027180 - Great Northern Engineering Drawing: Map and General Plan, Bridge 4, Ballard, Washington, 1912
- ItemBB027181 - Great Northern Engineering Drawing: Map and General Plan, Bridge 4, Ballard, Washington, 1912
- ItemBB027182 - Great Northern Engineering Drawing: Machinery - Gear Shift, Bridge 10 - Snohomish River, North of Delta, Washington, undated
- ItemBB027183 - Great Northern Engineering Drawing: Repairs 100 Foot Through Plate Girder Span, Bridge 10 - Snohomish River, North of Delta, Washington, undated
- ItemBB027184 - Great Northern Engineering Drawing: Deck Plan, Bridge 10 - Snohomish River, North of Delta, Washington, 1932
- ItemBB027185 - Great Northern Engineering Drawing: Deck Plan, Bridge 10 - Snohomish River, North of Delta, Washington, 1935
- ItemBB027186 - Great Northern Engineering Drawing: Easer Bars, Bridge 10 - Snohomish River, North of Delta, Washington, undated
- ItemBB027187 - Great Northern Engineering Drawing: Drawspan Rack Anchoring, Bridge 10 - Snohomish River, North of Delta, Washington, undated
- ItemBB027188 - Great Northern Engineering Drawing: Repairs to Center Bearing, Bridge 10 - Snohomish River, North of Delta, Washington, 1940
- 373 more...