Railroad Archives Online
- CollectionD0153 - Doug Wingfield Collection
- Series001 - Burlington Northern Railroad Company
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3002 - Diesel Locomotives
- 72 more...
- ItemWingfield.215 - Diesel Locomotives Great Northern 3031 and 2531 with Spokane, Portland & Seattle 341 at Marshall, Washington, 1970
- ItemWingfield.245 - Diesel Locomotives Chicago, Burlington and Quincy 110, 172 and 176 with Great Northern 2023 at Marshall, Washington, 1970
- ItemWingfield.246 - Diesel Locomotives Chicago, Burlington and Quincy 110, 172 and 176 with Great Northern 2023 at Marshall, Washington, 1970
- ItemWingfield.247 - Spokane, Portland & Seattle Diesel Locomotive 750 at Spokane, Washington, 1970
- ItemWingfield.248 - Spokane, Portland & Seattle Diesel Locomotive 750 at Spokane, Washington, 1970
- ItemWingfield.249 - Spokane, Portland & Seattle Diesel Locomotive 750 at Spokane, Washington, 1970
- ItemWingfield.23 - Burlington Northern Diesel Locomotives 1823, 1804, 1803, and 1795 with Caboose X77 at Summit, Montana, 1971
- ItemWingfield.2 - Diesel locomotives Northern Pacific 3604 and 3614 with Spokane, Portland & Seattle 3609 at Scribner, Washington, 1970