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)
- 32 more...
- ItemCNBk2img298 - Great Northern Railway Snow Plow X7300 at Superior, Wisconsin in 1973.
- ItemCNBk2img299 - Great Northern Railway Snow Plow X1695 at Shelby, Montana in 1972.
- ItemCNBk2img300 - Great Northern Railway Snow Plow X1689 at Kettle Falls, Washington
- 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
- 235 more...