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
- 4620 more...
- ItemBB019309 - Northern Pacific Engineering Drawing: Standard Plan of Beam Girder, Bridge 102.3, West of Cunningham, Washington, undated
- ItemBB019310 - Northern Pacific Engineering Drawing: Lateral Brace Beam Span, Bridge 102.3, West of Cunningham, Washington, undated
- ItemBB019311 - Northern Pacific Engineering Drawing: General Plan, Bridge 102.2, West of Cunningham, Washington, 1898
- ItemBB019313 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 102.2, West of Cunningham, Washington, 1958
- ItemBB019314 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 102.2, West of Cunningham, Washington, 1945
- ItemBB019315 - Northern Pacific Engineering Drawing: Tie Framing Plan, Bridge 102.2, West of Cunningham, Washington, undated
- ItemBB019316 - Northern Pacific Engineering Drawing: General Plan, Bridge 101.4, West of Cunningham, Washington, 1898
- ItemBB019317 - Northern Pacific Engineering Drawing: Deck Plan, Bridge 101.4, West of Cunningham, Washington, undated
- ItemBB019318 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 101.4, West of Cunningham, Washington, 1957
- 3099 more...