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
- 1692 more...
- ItemBB016131 - Northern Pacific Engineering Drawing: Shim Plates, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016132 - Northern Pacific Engineering Drawing: Proposed Grinding Ends, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016133 - Northern Pacific Engineering Drawing: Relation of Fixed and Moving, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016134 - Northern Pacific Engineering Drawing: Proposed Easer Bar, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016135 - Northern Pacific Engineering Drawing: Jaw Guard/Repair Lift Span, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016136 - Northern Pacific Engineering Drawing: Repairs Lift Span, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016137 - Northern Pacific Engineering Drawing: Prestressed Concrete, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016138 - Northern Pacific Engineering Drawing: Shop Plan - Main Truss, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016139 - Northern Pacific Engineering Drawing: Shop Plan - Floor Beam/Lateral, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- 6027 more...