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
- 6432 more...
- ItemBB028182 - Northern Pacific Engineering Drawing: Top Chord, Bridge 17.2 - White River, South of Kent, Washington, undated
- ItemBB028183 - Northern Pacific Engineering Drawing: Detail Throw Pin Span, Bridge 17.2 - White River, South of Kent, Washington, undated
- ItemBB028184 - Northern Pacific Engineering Drawing: Bottom Chord, Bridge 17.2 - White River, South of Kent, Washington, undated
- ItemBB028185 - Northern Pacific Engineering Drawing: Collision Strut/Hanger, Bridge 17.2 - White River, South of Kent, Washington, undated
- 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
- 1287 more...