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
- 4544 more...
- ItemBB019229 - Northern Pacific Engineering Drawing: Shop Plan - Shoes, etc., Bridge 61.1 - Stillaguamish River, East of Arlington, Washington, undated
- ItemBB019230 - Northern Pacific Engineering Drawing: General Plan/Falsework, Bridge 10 - Deer Creek, Oso, Washington, 1926
- ItemBB019231 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 10 - Deek Creek, Oso, Washington, 1952
- ItemBB019232 - Northern Pacific Engineering Drawing: Shop Plan - Iron Plate, Bridge 10 - Deek Creek, Oso, Washington, undated
- ItemBB019233 - Northern Pacific Engineering Drawing: Shop Plan - Shoe/Roller, Bridge 10 - Deek Creek, Oso, Washington, undated
- ItemBB019234 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 101, West of Cunningham, Washington, 1957
- ItemBB019235 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 101, West of Cunningham, Washington, 1945
- ItemBB019236 - Northern Pacific Engineering Drawing: Standard Plan Beam Guard, Bridge 101, West of Cunningham, Washington, undated
- ItemBB019237 - Northern Pacific Engineering Drawing: Lateral Bracing, Bridge 101, West of Cunningham, Washington, undated
- 3175 more...