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
- 1200 more...
- ItemBB015528 - Northern Pacific Engineering Drawing: Detail of Bridge Floor, Bridge 29 - Thompson Avenue, Sumner, Washington, undated
- ItemBB015529 - Northern Pacific Engineering Drawing: Detail of Abutment, Bridge 29 - Thompson Avenue, Sumner, Washington, undated
- ItemBB015530 - Northern Pacific Engineering Drawing: Through Plate 7 Double Truss, Bridge 29 - Thompson Avenue, Sumner, Washington, undated
- ItemBB015531 - Northern Pacific Engineering Drawing: Proposed Repair Wing Wall, Bridge 29 - Thompson Avenue, Sumner, Washington, undated
- ItemBB015532 - Northern Pacific Engineering Drawing: Shop Plan - Erection Diagram, Bridge 29 - Thompson Avenue, Sumner, Washington, undated
- ItemBB015533 - Northern Pacific Engineering Drawing: Shop Plan - Casting, Bridge 29 - Thompson Avenue, Sumner, Washington, undated
- ItemBB015534 - Northern Pacific Engineering Drawing: Shop Plan - Pin/Roller, Bridge 29 - Thompson Avenue, Sumner, Washington, undated
- ItemBB015535 - Northern Pacific Engineering Drawing: Shop Plan - Girders, Bridge 29 - Thompson Avenue, Sumner, Washington, undated
- ItemBB015536 - Northern Pacific Engineering Drawing: Shop Plan - Girders, Bridge 29 - Thompson Avenue, Sumner, Washington, undated
- 6519 more...