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
- 67 more...
- ItemWingfield.195 - Diesel Locomotives Burlington Northern 2544, with Northern Pacific 3615 and 3307 at Missoula, Montana, 1970
- ItemWingfield.196 - Northern Pacific Diesel Locomotive 3622, 2517, 3605 at Sandpoint, Idaho, 1970
- ItemWingfield.211 - Great Northern Diesel Locomotive 2009, 2015 at Algoma, Idaho, 1970
- ItemWingfield.212 - Great Northern Diesel Locomotive 2009, 2015 at Marshall, Washington, 1970
- ItemWingfield.214 - Diesel Locomotives Great Northern 3031 and 2531 with Spokane, Portland & Seattle 341 at Marshall, Washington, 1970
- 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
- 4 more...