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
- 1750 more...
- ItemBB016189 - Northern Pacific Engineering Drawing: Shop Plan - Beam/Material, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016190 - Northern Pacific Engineering Drawing: Shop Plan - Beam/Material, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016191 - Northern Pacific Engineering Drawing: Shop Plan - Beam/Material, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016192 - Northern Pacific Engineering Drawing: Shop Plan - Beam/Material, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016193 - Northern Pacific Engineering Drawing: Shop Plan - Miscellaneous, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016194 - Northern Pacific Engineering Drawing: Shop Plan - Ties, etc., Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016195 - Northern Pacific Engineering Drawing: Shop Plan - Diaphragm, etc., Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016196 - Northern Pacific Engineering Drawing: Shop Plan - Electrical Operator, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016197 - Northern Pacific Engineering Drawing: Shop Plan - Cover/Girder/Shaft, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- 5969 more...