Railroad Archives Online
- CollectionD0153 - Doug Wingfield Collection
- Series001 - Burlington Northern Railroad Company
- Subseries Level 1014 - Photographs
- Subseries Level 2003 - Railroads--Buildings and Structures
- Subseries Level 3002 - Depots and Freighthouses
- 16 more...
- ItemWingfield.138 - Great Northern Depot at Summit, Montana, 1970
- ItemWingfield.139 - Great Northern Depot at Volcour, Montana, 1970
- ItemWingfield.140 - Great Northern Depot at Whitefish, Montana, 1970
- ItemWingfield.221 - Northern Pacific Depot at Bonner, Montana, 1970
- ItemWingfield.222 - Northern Pacific Depot at Deer Lodge, Montana, 1970
- ItemWingfield.223 - Northern Pacific Depot at Frenchtown, Montana, 1970
- ItemWingfield.224 - Northern Pacific Depot at Missoula, Montana, 1970