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
- 1685 more...
- ItemBB016123 - Northern Pacific Engineering Drawing: Rail Lock Details, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016124 - Northern Pacific Engineering Drawing: Repair to Lateral Brace, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016125 - Northern Pacific Engineering Drawing: Steel Beam Approach Spans, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016126 - Northern Pacific Engineering Drawing: Bearing Support Details, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016127 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016128 - Northern Pacific Engineering Drawing: Web Reinforcement Plate, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016129 - Northern Pacific Engineering Drawing: Steel Repairs, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- 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
- 6034 more...