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
- 6436 more...
- ItemBB028186 - Northern Pacific Engineering Drawing: Interior Posts, Bridge 17.2 - White River, South of Kent, Washington, undated
- ItemBB028187 - Northern Pacific Engineering Drawing: Diagonals, Bridge 17.2 - White River, South of Kent, Washington, undated
- ItemBB028188 - Northern Pacific Engineering Drawing: Stringers, Bridge 17.2 - White River, South of Kent, Washington, undated
- ItemBB028189 - Northern Pacific Engineering Drawing: End Floor Beams, Bridge 17.2 - White River, South of Kent, Washington, undated
- ItemBB028190 - Northern Pacific Engineering Drawing: Internal Floor Beams, Bridge 17.2 - White River, South of Kent, Washington, undated
- ItemBB028191 - Northern Pacific Engineering Drawing: Bottom Laterals, Bridge 17.2 - White River, South of Kent, Washington, undated
- ItemBB028192 - Northern Pacific Engineering Drawing: Bottom Laterals, Bridge 17.2 - White River, South of Kent, Washington, undated
- ItemBB028193 - Northern Pacific Engineering Drawing: Portal/Internal Bracing, Bridge 17.2 - White River, South of Kent, Washington, undated
- ItemBB028194 - Northern Pacific Engineering Drawing: Top Laterals, Bridge 17.2 - White River, South of Kent, Washington, undated
- 1283 more...