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
- 585 more...
- ItemBB014844 - Northern Pacific Engineering Drawing: Shop Plan - Internal Floor Beam, Bridge 3 - Latah Creek, West of Empire, Washington, undated
- ItemBB014845 - Northern Pacific Engineering Drawing: Shop Plan - Top Chord, Bridge 3 - Latah Creek, West of Empire, Washington, undated
- ItemBB014846 - Northern Pacific Engineering Drawing: Shop Plan - Bracing/Strut, Bridge 3 - Latah Creek, West of Empire, Washington, undated
- ItemBB014847 - Northern Pacific Engineering Drawing: Shop Plan - Bracing/Frame, Bridge 3 - Latah Creek, West of Empire, Washington, undated
- ItemBB014848 - Northern Pacific Engineering Drawing: Shop Plan - Bottom Chord, Bridge 3 - Latah Creek, West of Empire, Washington, undated
- ItemBB014849 - Northern Pacific Engineering Drawing: Shop Plan - Deck Girder, Bridge 3 - Latah Creek, West of Empire, Washington, undated
- ItemBB014850 - Northern Pacific Engineering Drawing: Shop Plan - Cross Frame/Brace, Bridge 3 - Latah Creek, West of Empire, Washington, undated
- ItemBB014851 - Northern Pacific Engineering Drawing: Details of Bearings, Bridge 3 - Latah Creek, West of Empire, Washington, undated
- ItemBB014852 - Northern Pacific Engineering Drawing: Detail of Deck Riveted Truss, Bridge 3 - Latah Creek, West of Empire, Washington, undated
- 7134 more...