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
- 3139 more...
- ItemBB026611 - Great Northern Engineering Drawing: Latch and Main Motor Drum, Bridge 4 - Salmon Bay, Ballard, Washington, undated
- ItemBB026612 - Great Northern Engineering Drawing: Air Pipe and Conduit, Bridge 4 - Salmon Bay, Ballard, Washington, undated
- ItemBB026613 - Great Northern Engineering Drawing: Details of Control Stand, Bridge 4 - Salmon Bay, Ballard, Washington, undated
- ItemBB026614 - Great Northern Engineering Drawing: Gas Engine Pipe Connections, Bridge 4 - Salmon Bay, Ballard, Washington, undated
- 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
- 853 more...