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
- 49 more...
- ItemWingfield.150 - Burlington Northern Diesel Locomotives 602, 4077 at Pasco, Washington, 1971
- ItemWingfield.151 - Burlington Northern Diesel Locomotive 810 at Missoula, Montana, 1971
- ItemWingfield.152 - Burlington Northern Diesel Locomotives 9778, 9765, 9804 at Homestake Pass, Montana, 1971
- ItemWingfield.153 - Burlington Northern Diesel Locomotives 9810, 9817 at Bonner, Montana, 1970
- ItemWingfield.154 - Burlington Northern Diesel Locomotives 1749, 1997 at Garrison, Montana, 1971
- ItemWingfield.155 - Burlington Northern Diesel Locomotive 6126 at Pasco, Washington, 1970
- ItemWingfield.156 - Burlington Northern Diesel Locomotives 6604, 6442 at Spokane, Washington, 1970
- ItemWingfield.157 - Burlington Northern Diesel Locomotives 5609, 6249, 6247 at Missoula, Montana, 1970
- ItemWingfield.158 - Burlington Northern Diesel Locomotives 5673, 6450, 6418 at Missoula, Montana, 1970
- 22 more...