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 3002 - Diesel Locomotives
- 14 more...
- ItemWWASPSL4-060 - Burlington Northern Diesel Locomotive 4081 at Lyle, Washington, August 1972
- ItemWWASPSL4-067 - Burlington Northern Diesel Locomotive 4076 at Lyle, Washington, May 1971
- ItemWWASPSL4-068 - Burlington Northern Diesel Locomotive 6498, Washington State, undated
- ItemWWASPSL4-076 - Burlington Northern Diesel Locomotive 824, Horsethief Lake, Washington, March 1981
- ItemWWASPSL4-078 - Burlington Northern Diesel Locomotive 7029 at Dalles Dam, Washington, May 1985
- ItemWWASPSL4-079 - Burlington Northern Diesel Locomotive 5758, Horsethief Lake, Washington, undated
- ItemWWASPSL4-080 - Burlington Northern Diesel Locomotive 4260 as the Rear Unit at Avery, Washington, August 1972
- ItemWWASPSL4-081 - Burlington Northern Diesel Locomotives 6920, 4258 at Avery, Washington, March 1976
- ItemWWASPSL4-087 - Burlington Northern Diesel Locomotive 2232 at Avery, Washington, August 1972
- 58 more...