Railroad Archives Online
- CollectionD0011 - James M. Fredrickson Collection
- Series004 - Northern Pacific Railroad Company
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3001 - Steam locomotives
- 326 more...
- ItemJMF02-03880.1 - Northern Pacific steam locomotive 4025 at Haugan, Montana, in 1952.
- ItemJMF02-03881.0 - Northern Pacific steam locomotive 4025 at Haugan, Montana, in 1952.
- ItemJMF02-03882.0 - Northern Pacific steam locomotive 4025 at Saint Regis, Montana, in 1952.
- ItemJMF02-03882.1 - Northern Pacific steam locomotive 4025 at Saint Regis, Montana, in 1952.
- ItemJMF02-03883.0 - Northern Pacific steam locomotive 4025 at Saint Regis, Montana, in 1952.
- ItemJMF02-03884.0 - Northern Pacific steam locomotive at Saint Regis, Montana, in 1952.
- ItemJMF02-03886.0 - Northern Pacific steam locomotive 1719 at Saint Regis, Montana, in 1953.
- ItemJMF02-03887.0 - Northern Pacific steam locomotive 5100 at Missoula, Montana, in 1953.
- ItemJMF02-03888.0 - Northern Pacific steam locomotive 5123 at Missoula, Montana, in 1943.
- 2310 more...