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
- 2191 more...
- 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
- ItemBB016642 - Northern Pacific Engineering Drawing: Detail of Reinforcing, Bridge 7 - Stillaguamish River, East of Arlington, Washington, undated
- ItemBB016643 - Northern Pacific Engineering Drawing: Proposed Top Chord Repair, Bridge 7 - Stillaguamish River, East of Arlington, Washington, undated
- ItemBB016644 - Northern Pacific Engineering Drawing: Replace East Portal, Bridge 7 - Stillaguamish River, East of Arlington, Washington, undated
- 5528 more...