Railroad Archives Online
- CollectionE0298 - Cordell Newby Photograph Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3002 - Diesel Locomotives
- 362 more...
- ItemCNBk1img414 - Great Northern Railway 3031
- ItemCNBk1img415 - Great Northern Railway 3027 at Whitefish, Montana in 1970. in 1970.
- ItemCNBk1img416 - Great Northern Railway 3029 at Spokane, Montana in 1968. in 1968.
- ItemCNBk1img417 - Great Northern Railway 3035
- ItemCNBk1img418 - Great Northern Railway 3036 at Whitefish, Montana in 1969.
- ItemCNBk1img419 - Great Northern Railway 3036 at Wenatchee, Washington in 1970.
- ItemCNBk1img420 - Great Northern Railway 3037 at Wenatchee, Washington in 1969.
- ItemCNBk1img421 - Great Northern Railway 3037 at Havre, Montana in 1968.
- ItemCNBk1img422 - Great Northern Railway 3038 at Wenatchee, Washington in 1970.
- 441 more...