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
- 4910 more...
- ItemBB019809 - Northern Pacific Engineering Drawing: Steel Truss, Bridge 52.1 - Satsop River, West of Satsop, Washington, undated
- ItemBB019810 - Northern Pacific Engineering Drawing: Miscellaneous Steel, Bridge 52.1 - Satsop River, West of Satsop, Washington, undated
- ItemBB019811 - Northern Pacific Engineering Drawing: Shop Plan - Erection Diagram, Bridge 52.1 - Satsop River, West of Satsop, Washington, undated
- ItemBB019812 - Northern Pacific Engineering Drawing: Shop Plan - End Posts, Bridge 52.1 - Satsop River, West of Satsop, Washington, undated
- ItemBB019813 - Northern Pacific Engineering Drawing: Shop Plan - Top Chord, Bridge 52.1 - Satsop River, West of Satsop, Washington, undated
- ItemBB019814 - Northern Pacific Engineering Drawing: Shop Plan - Chord/Strut, Bridge 52.1 - Satsop River, West of Satsop, Washington, undated
- ItemBB019815 - Northern Pacific Engineering Drawing: Shop Plan - Diagonals, Bridge 52.1 - Satsop River, West of Satsop, Washington, undated
- ItemBB019816 - Northern Pacific Engineering Drawing: Shop Plan - Hanger/Posts, Bridge 52.1 - Satsop River, West of Satsop, Washington, undated
- ItemBB019817 - Northern Pacific Engineering Drawing: Shop Plan - Bottom Chord, Bridge 52.1 - Satsop River, West of Satsop, Washington, undated
- 2809 more...