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
- 1764 more...
- ItemBB016203 - Northern Pacific Engineering Drawing: Falsework Plan, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016204 - Northern Pacific Engineering Drawing: Plan/Section of Piers, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016205 - Northern Pacific Engineering Drawing: Proposed Dolphins, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016206 - Northern Pacific Engineering Drawing: Proposed Fender Piling, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016207 - Northern Pacific Engineering Drawing: Pile Location, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016208 - Northern Pacific Engineering Drawing: Cast Steel Base, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016209 - Northern Pacific Engineering Drawing: Change in Auxiliary Counterweight, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016210 - Northern Pacific Engineering Drawing: Lever for Signal Operations, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016211 - Northern Pacific Engineering Drawing: Simplified Control Schematic, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- 5955 more...