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
- 41 more...
- ItemWingfield.88 - Great Northern Diesel Locomotive 568 at Sandpoint, Idaho, 1970
- ItemWingfield.92 - Great Northern Diesel Locomotive 322 at Spokane, Washington, 1970
- ItemWingfield.93 - Great Northern Diesel Locomotive 324, 365B, 325B at Bonners Ferry, Idaho, 1968
- ItemWingfield.100 - Great Northern Diesel Locomotive 149 at Whitefish, Montana, 1970
- ItemWingfield.108 - Spokane, Portland & Seattle Diesel Locomotive 301 at Whitefish, Montana, 1970
- ItemWingfield.109 - Spokane, Portland & Seattle Diesel Locomotive 861 at Whitefish, Montana, 1970
- ItemWingfield.146 - Northern Pacific Diesel Locomotive 912, 908 at Pasco, Washington, 1970
- ItemWingfield.147 - Northern Pacific Diesel Locomotive 912, 908 at Pasco, Washington, 1970
- ItemWingfield.150 - Burlington Northern Diesel Locomotives 602, 4077 at Pasco, Washington, 1971
- 30 more...