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
- 3143 more...
- ItemBB026615 - Great Northern Engineering Drawing: Layout Operating House and Switchboard, Bridge 4 - Salmon Bay, Ballard, Washington, undated
- ItemBB026616 - Great Northern Engineering Drawing: General Plan, Bridge 11 - Steamboat Slough, North of Delta, Washington, 1905
- ItemBB026617 - Great Northern Engineering Drawing: Masonry Plan, Bridge 11 - Steamboat Slough, North of Delta, Washington, undated
- ItemBB026618 - Great Northern Engineering Drawing: Masonry Plan, Bridge 11 - Steamboat Slough, North of Delta, Washington, undated
- ItemBB026619 - Great Northern Engineering Drawing: Plan of Fender Pier, Bridge 11 - Steamboat Slough, North of Delta, Washington, undated
- ItemBB026620 - Great Northern Engineering Drawing: Plan of Granite Coping, Bridge 11 - Steamboat Slough, North of Delta, Washington, undated
- ItemBB026621 - Great Northern Engineering Drawing: House for Operating Machinery, Bridge 11 - Steamboat Slough, North of Delta, Washington, undated
- ItemBB026622 - Great Northern Engineering Drawing: Shop Plan - Girders, Bridge 11 - Steamboat Slough, North of Delta, Washington, undated
- ItemBB026623 - Great Northern Engineering Drawing: Shop Plan - Floorbeam, Stringers, Bridge 11 - Steamboat Slough, North of Delta, Washington, undated
- 849 more...