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
- 2188 more...
- ItemBB016633 - Northern Pacific Engineering Drawing: Detail of Floor Beam, Bridge 2 - Stillaguamish River, East of Arlington, Washington, undated
- ItemBB016634 - Northern Pacific Engineering Drawing: Detail of Portal, Bridge 2 - Stillaguamish River, East of Arlington, Washington, undated
- ItemBB016635 - Northern Pacific Engineering Drawing: Sheet Plate Nut Drag Nut, Bridge 2 - Stillaguamish River, East of Arlington, Washington, undated
- ItemBB016636 - Northern Pacific Engineering Drawing: Repair to Top Strut, Bridge 2 - Stillaguamish River, East of Arlington, Washington, undated
- ItemBB016637 - Northern Pacific Engineering Drawing: General Plan, Bridge 7 - Stillaguamish River, East of Arlington, Washington, 1900
- ItemBB016638 - Northern Pacific Engineering Drawing: Pier/Abutment, Bridge 7 - Stillaguamish River, East of Arlington, Washington, undated
- ItemBB016639 - Northern Pacific Engineering Drawing: General Plan/Detail Pier, Bridge 7 - Stillaguamish River, East of Arlington, Washington, undated
- ItemBB016640 - Northern Pacific Engineering Drawing: Erection Diagram, Bridge 7 - Stillaguamish River, East of Arlington, Washington, undated
- ItemBB016641 - Northern Pacific Engineering Drawing: Detail New Material/Changes, Bridge 7 - Stillaguamish River, East of Arlington, Washington, undated
- 5531 more...