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)
- 22 more...
- ItemCNBk2img288 - Great Northern Railway Snow Plow X1520 at Willmar, Minnesota in 1969.
- ItemCNBk2img289 - Great Northern Railway Snow Plow X1510
- ItemCNBk2img290 - Great Northern Railway Snow Plow X1626 at Wenatchee, Washington in 1973.
- ItemCNBk2img291 - Great Northern Railway Snow Plow X1626
- ItemCNBk2img292 - Great Northern Railway Snow Plow X1627
- ItemCNBk2img293 - Great Northern Railway Snow Plow X1628
- ItemCNBk2img294 - Great Northern Railway Snow Plow X1667 at Wenatchee, Washington
- ItemCNBk2img295 - Great Northern Railway Snow Plow X1510
- ItemCNBk2img296 - Great Northern Railway Snow Plow X7303 at Bonners Ferry, Idaho in 1977.
- 245 more...