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
- 2174 more...
- ItemBB016619 - Northern Pacific Engineering Drawing: Falsework Detail, Bridge 2 - Stillaguamish River, East of Arlington, Washington, undated
- ItemBB016620 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 2 - Stillaguamish River, East of Arlington, Washington, undated
- ItemBB016621 - Northern Pacific Engineering Drawing: Detail of Steel Alteration, Bridge 2 - Stillaguamish River, East of Arlington, Washington, undated
- ItemBB016622 - Northern Pacific Engineering Drawing: Steel Detail for Alteration, Bridge 2 - Stillaguamish River, East of Arlington, Washington, undated
- ItemBB016623 - Northern Pacific Engineering Drawing: Detail Alter Top Chord, Bridge 2 - Stillaguamish River, East of Arlington, Washington, undated
- ItemBB016624 - Northern Pacific Engineering Drawing: Steel Erection Detail, Bridge 2 - Stillaguamish River, East of Arlington, Washington, undated
- ItemBB016625 - Northern Pacific Engineering Drawing: Field Rivet/Pin, Bridge 2 - Stillaguamish River, East of Arlington, Washington, undated
- ItemBB016626 - Northern Pacific Engineering Drawing: Standard Plan Through Span, Bridge 2 - Stillaguamish River, East of Arlington, Washington, undated
- ItemBB016627 - Northern Pacific Engineering Drawing: Shop Plan - Floor Beam, Bridge 2 - Stillaguamish River, East of Arlington, Washington, undated
- 5545 more...