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
- 939 more...
- ItemJMF00-00407.0 - Northern Pacific steam locomotive 1175 at Duluth, Minnesota, in 1954.
- ItemJMF00-00408.0 - Northern Pacific steam locomotive 1176 at Pasco, Washington, in 1949.
- ItemJMF00-00409.0 - Northern Pacific steam locomotive 1178 at Duluth, Minnesota, in 1950.
- ItemJMF00-00410.0 - Northern Pacific steam locomotive 1179 at Superior, Wisconsin, in 1950.
- ItemJMF00-00411.0 - Northern Pacific steam locomotive 1180 at Pasco, Washington, circa 1950.
- ItemJMF00-00412.0 - Northern Pacific steam locomotive 1180 at Pasco, Washington, in 1950.
- ItemJMF00-00413.0 - Northern Pacific steam locomotive 1180 at Pasco, Washington, in 1953.
- ItemJMF00-00414.0 - Northern Pacific steam locomotive 1181 at Northtown, Minnesota, in 1950.
- ItemJMF00-00415.0 - Northern Pacific steam locomotive 1181 at Northtown, Minnesota, in 1954.
- 1697 more...