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
- 60 more...
- ItemWingfield.166 - Northern Pacific Diesel Locomotive 6707A, 6700B at Missoula, Montana, 1970
- ItemWingfield.167 - Diesel Locomotives Northern Pacific 6005A, 6013D, 7009B, 345, 1771 with Southern Pacific 7112 at Missoula, Montana, 1970
- ItemWingfield.176 - Northern Pacific Diesel Locomotive 6513A, 6701C at State Line, Washington, 1970
- ItemWingfield.178 - Northern Pacific Diesel Locomotive 559 at Marshall, Washington, 1970
- ItemWingfield.184 - Diesel Locomotives Burlington Northern 384, 686 and 679 with Southern Pacific 7114 at Missoula, Montana, 1970
- ItemWingfield.185 - Diesel Locomotives Burlington Northern 384, 686 and 679 with Southern Pacific 7114 at Missoula, Montana, 1970
- ItemWingfield.186 - Burlington Northern Diesel Locomotives 384, 686, 679, 7114 at Missoula, Montana, 1970
- 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
- 11 more...