Railroad Archives Online
- CollectionE0357 - Wade J Stevenson Collection
- Series002 - Great Northern Railway Company (U.S.)
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3005 - Maintenance of Way cars
- ItemGNRHS.55.03.29 - Great Northern Crane and Flat Car X5104 in Washington State, undated
- ItemGNRHS.55.04.03 - Great Northern Snow Dozer X1671 in Washington State, undated
- ItemGNRHS.55.06.03 - Great Northern Snow Dozer X1641 at Wenatchee, Washington, undated
- ItemGNRHS.55.06.04 - Great Northern Snow Dozer X1641 at Wenatchee, Washington, undated
- ItemGNRHS.55.06.38 - Great Northern Snow Dozer X1666 at HIllyard, Washington State, undated
- 34 more...