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
- 19 more...
- ItemGNRHS.55.14.24 - Great Northern Spreader X1701 in Washington State, undated
- ItemGNRHS.55.17.09 - Great Northern Rotary Snowplow X1503 in Washington State, undated
- ItemGNRHS.55.17.13 - Great Northern Rotary Snowplow X1503 in Washington State, undated
- ItemGNRHS.55.18.12 - Great Northern Spreader X1710 at Wenatchee, Washington, undated
- ItemGNRHS.55.21.28 - Great Northern Rotary Snowplow X1507, undated
- ItemGNRHS.55.21.29 - Great Northern Rotary Snowplow X1507, undated
- ItemGNRHS.55.21.30 - Great Northern Rotary Snowplow X1507, undated
- ItemGNRHS.55.21.47 - Great Northern Rotary Snowplow X1507, undated
- ItemGNRHS.55.21.48 - Great Northern Rotary Snowplow X1507, undated
- 11 more...