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
- 2146 more...
- ItemBB016591 - Northern Pacific Engineering Drawing: Standard Detail of End Bearing, Bridge 11 - Stillaguamish River, East of Oso, Washington, undated
- ItemBB016592 - Northern Pacific Engineering Drawing: Standard Detail Through Plate Girder, Bridge 11 - Stillaguamish River, East of Oso, Washington, undated
- ItemBB016593 - Northern Pacific Engineering Drawing: Standard Plan Through Plate Girder, Bridge 11 - Stillaguamish River, East of Oso, Washington, undated
- ItemBB016594 - Northern Pacific Engineering Drawing: Detail Stringer/Top Brace, Bridge 11 - Stillaguamish River, East of Oso, Washington, undated
- ItemBB016595 - Northern Pacific Engineering Drawing: Detail Portal Truss, Bridge 11 - Stillaguamish River, East of Oso, Washington, undated
- ItemBB016596 - Northern Pacific Engineering Drawing: Detail of Floor Beam, Bridge 11 - Stillaguamish River, East of Oso, Washington, undated
- ItemBB016597 - Northern Pacific Engineering Drawing: Erection Diagram, Bridge 11 - Stillaguamish River, East of Oso, Washington, undated
- ItemBB016598 - Northern Pacific Engineering Drawing: Detail of Bearings, Bridge 11 - Stillaguamish River, East of Oso, Washington, undated
- ItemBB016599 - Northern Pacific Engineering Drawing: Detail Eye Bar, etc., Bridge 11 - Stillaguamish River, East of Oso, Washington, undated
- 5573 more...