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
- 1700 more...
- ItemBB016139 - Northern Pacific Engineering Drawing: Shop Plan - Floor Beam/Lateral, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016140 - Northern Pacific Engineering Drawing: Shop Plan - Hangers, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016141 - Northern Pacific Engineering Drawing: Shop Plan - Link, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016142 - Northern Pacific Engineering Drawing: Shop Plan - Counterweight Truss, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016143 - Northern Pacific Engineering Drawing: Girder, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016144 - Northern Pacific Engineering Drawing: Shop Plan - Columns, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016145 - Northern Pacific Engineering Drawing: Shop Plan - Columns, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016146 - Northern Pacific Engineering Drawing: Shop Plan - Stringers, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016147 - Northern Pacific Engineering Drawing: Shop Plan - Bracing, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- 6019 more...