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
- 1673 more...
- ItemBB016111 - Northern Pacific Engineering Drawing: Detail of Substructure, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016112 - Northern Pacific Engineering Drawing: General Plan, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016113 - Northern Pacific Engineering Drawing: Machinery Layout, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016114 - Northern Pacific Engineering Drawing: Machinery Details, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016115 - Northern Pacific Engineering Drawing: End Lock Interlock Switch, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016116 - Northern Pacific Engineering Drawing: Gear Cover Layout, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016117 - Northern Pacific Engineering Drawing: Rail Lock Detail, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016118 - Northern Pacific Engineering Drawing: Rail Lock Detail, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- ItemBB016119 - Northern Pacific Engineering Drawing: Repair to Rail Lock, Bridge 14 - Chambers Creek, South of Titlow, Washington, undated
- 6046 more...