Railroad Archives Online
- CollectionD0027 - Timothy Miller Collection
- Series004 - Northern Pacific Railroad Company
- Subseries Level 1009 - Engineering Records
- Subseries Level 2008 - Physical plant drawing
- Subseries Level 3001 - Bridges
- 4884 more...
- ItemBB019775 - Northern Pacific Engineering Drawing: Plan of Pony Truss, Bridge 23 (16) - Sammamish River, Woodinville, Washington, 1903
- ItemBB019776 - Northern Pacific Engineering Drawing: General Plan, Bridge 23 (16) - Sammamish River, Woodinville, Washington, 1914
- ItemBB019778 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 23 (16) - Sammamish River, Woodinville, Washington, 1948
- ItemBB019779 - Northern Pacific Engineering Drawing: Tie Dap Plan, Bridge 23 (16) - Sammamish River, Woodinville, Washington, 1929
- ItemBB019780 - Northern Pacific Engineering Drawing: Remodel Bridge, Bridge 23 (16) - Sammamish River, Woodinville, Washington, 1962
- ItemBB019781 - Northern Pacific Engineering Drawing: Remodel Bridge, Bridge 23 (16) - Sammamish River, Woodinville, Washington, 1962
- ItemBB019782 - Northern Pacific Engineering Drawing: Shop Plan - Track, etc., Bridge 23 (16) - Sammamish River, Woodinville, Washington, undated
- ItemBB019783 - Northern Pacific Engineering Drawing: Shop Plan - Ground Floorbeam, etc., Bridge 23 (16) - Sammamish River, Woodinville, Washington, undated
- ItemBB019784 - Northern Pacific Engineering Drawing: Clearance Diagram, Bridge 23 (16) - Sammamish River, Woodinville, Washington, undated
- 2835 more...