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
- 45 more...
- ItemTRWahl0768 - Great Northern Water Car, Bellingham, Washington, undated
- ItemTRWahl0782 - Great Northern Maintenance of Way Car 05304, Bellingham, Washington, undated
- ItemTRWahl0866 - Great Northern Crane X1841, Bellingham, Washington, undated
- ItemTRWahl0881 - Great Northern Crane RC 20, Bellingham, Washington, undated
- ItemTRWahl0882 - Great Northern Crane RC 20, Bellingham, Washington, undated
- ItemTRWahl0883 - Great Northern Crane RC 20, Bellingham, Washington, undated
- ItemTRWahl0939 - Great Northern Crane X1727, Bellingham, Washington, undated
- ItemTRWahl0941 - Great Northern Train-Work, Bellingham, Washington, undated
- ItemTRWahl0992 - Great Northern Maintenance of Way Car, Bellingham, Washington, undated
- 13 more...