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
- 1726 more...
- ItemBB016165 - Northern Pacific Engineering Drawing: Shop Plan - Tower/Upper, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016166 - Northern Pacific Engineering Drawing: Shop Plan - Tower/Bottom, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016167 - Northern Pacific Engineering Drawing: Shop Plan - Lift Span, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016168 - Northern Pacific Engineering Drawing: Shop Plan - Counterweight Truss, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016169 - Northern Pacific Engineering Drawing: Shop Plan - Link Hanger, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016170 - Northern Pacific Engineering Drawing: Shop Plan - Counterweight Frames, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016171 - Northern Pacific Engineering Drawing: Shop Plan - Counterweight, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016172 - Northern Pacific Engineering Drawing: Shop Plan - Pin/Bearings, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016173 - Northern Pacific Engineering Drawing: Shop Plan - Erection Diagram, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- 5993 more...