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 3005 - Work cars (Railroads)
- 35 more...
- ItemCNBk2img301 - Great Northern Railway Snow Plow X1687 at Kettle Falls, Washington
- ItemCNBk2img302 - Great Northern Railway Snow Plow X1683 at Superior, Wisconsin in 1973.
- ItemCNBk2img303 - Great Northern Railway Snow Plow X1681
- ItemCNBk2img304 - Great Northern Railway Snow Plow X1680 at Superior, Wisconsin in 1973.
- ItemCNBk2img305 - Great Northern Railway Snow Plow X1680 at Superior, Wisconsin
- ItemCNBk2img306 - Great Northern Railway Snow Plow X1677
- ItemCNBk2img307 - Great Northern Railway Snow Plow X1674 at Superior, Wisconsin in 1973.
- ItemCNBk2img308 - Great Northern Railway Snow Plow X7305 at Wenatchee, Washington in 1973.
- ItemCNBk2img309 - Great Northern Railway Tank car X926 at Great Falls, Montana in 1971.
- 232 more...