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
- 1718 more...
- ItemBB016157 - Northern Pacific Engineering Drawing: Shop Plan - Diagonal, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016158 - Northern Pacific Engineering Drawing: Shop Plan - Counterweight, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016159 - Northern Pacific Engineering Drawing: Shop Plan - Track Floor, etc., Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016160 - Northern Pacific Engineering Drawing: Shop Plan - End Lock, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016161 - Northern Pacific Engineering Drawing: Shop Plan - Operating Machinery, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016162 - Northern Pacific Engineering Drawing: Shop Plan - General Drawing, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016163 - Northern Pacific Engineering Drawing: Shop Plan - Stress Sheet, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016164 - Northern Pacific Engineering Drawing: Shop Plan - Masonry Plan, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016165 - Northern Pacific Engineering Drawing: Shop Plan - Tower/Upper, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- 6001 more...