Railroad Archives Online
- CollectionD0063 - Walter W. Ainsworth Collection
- Series001 - Burlington Northern Railroad Company
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3005 - Maintenance of Way cars
- ItemWWASPSL7-066 - Burlington Northern Hi-Rail Truck at Rodna, Washington, undated
- ItemWWASPSL7-067 - Burlington Northern Hi-Rail Truck at Rodna, Washington, undated
- ItemWWASPSL7-068 - Burlington Northern Hi-Rail Truck at Rodna, Washington, undated