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
- 1794 more...
- ItemBB016233 - Northern Pacific Engineering Drawing: Bill of Falsework Material, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016234 - Northern Pacific Engineering Drawing: Shop Plan - Hanger Assembly, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016235 - Northern Pacific Engineering Drawing: Shop Plan - Bronze Bushing, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016236 - Northern Pacific Engineering Drawing: Shop Plan - Pin/Casting, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016237 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 8.1 - Van Sycle Creek, South of Zangar Junction, Washington, 1951
- ItemBB016238 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 9 - Van Sycle Creek, South of Zangar Junction, Washington, 1951
- ItemBB016239 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 10 - Van Sycle Creek, South of Zangar Junction, Washington, 1951
- ItemBB016240 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 11 - Van Sycle Creek, South of Zangar Junction, Washington, 1951
- ItemBB016241 - Northern Pacific Engineering Drawing: Rebuild Pier, Bridge 11 - Van Sycle Creek, South of Zangar Junction, Washington, undated
- 5925 more...