Railroad Archives Online
- CollectionD0288 - Terence Wahl Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3005 - Maintenance of Way cars
- 7 more...
- ItemTRWahl0356 - Great Northern Ballast Plow X1710, Bellingham, Washington, undated
- ItemTRWahl0357 - Great Northern Ballast Plow X1710, Bellingham, Washington, undated
- ItemTRWahl0473 - Great Northern Crane X1786, Bellingham, Washington, undated
- ItemTRWahl0475 - Great Northern Bunk Car 01417, Bellingham, Washington, undated
- ItemTRWahl0533 - Great Northern Tool Car 06025, Bellingham, Washington, undated
- ItemTRWahl0534 - Great Northern Scale Test Car, Bellingham, Washington, undated
- ItemTRWahl0577 - Great Northern Maintenance of Way Car 05303, South Bellingham, Washington, undated
- ItemTRWahl0578 - Great Northern Tool Car 06062, South Bellingham, Washington, undated
- ItemTRWahl0579 - Great Northern Tool Car 02661, South Bellingham, Washington, undated
- 51 more...