Railroad Archives Online
- CollectionD0288 - Terence Wahl Collection
- Series002 - Chicago, Milwaukee, St. Paul, and Pacific Railroad Company
- Subseries Level 1014 - Photographs
- Subseries Level 2003 - Railroads--Buildings and Structures
- Subseries Level 3001 - Bridges
- ItemTRWahl0078 - Milwaukee Road Bridge, Bellingham, Washington, undated
- ItemTRWahl0079 - Milwaukee Road Bridge, Bellingham, Washington, undated