Railroad Archives Online
- CollectionD0288 - Terence Wahl Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1014 - Photographs
- Subseries Level 2004 - Railroad tracks
- Subseries Level 3001 - Railroad mainline
- 15 more...
- ItemTRWahl0603 - Great Northern Track, Bellingham, Washington, undated
- ItemTRWahl0615 - Great Northern Track, South Bellingham, Washington, undated
- ItemTRWahl0618 - Great Northern Track, South Bellingham, Washington, undated
- ItemTRWahl0619 - Great Northern Track, South Bellingham, Washington, undated
- ItemTRWahl0790 - Great Northern Track, Burlington, Washington, undated
- ItemTRWahl0791 - Great Northern Track, Burlington, Washington, undated
- ItemTRWahl0792 - Great Northern Track, Burlington, Washington, undated
- ItemTRWahl0813 - Great Northern Track, Bellingham, Washington, undated
- ItemTRWahl0819 - Great Northern Track, Bellingham, Washington, undated
- 6 more...