Railroad Archives Online
- CollectionD0011 - James M. Fredrickson Collection
- Series008 - Union Pacific Railroad Company
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3002 - Diesel locomotives
- 50 more...
- ItemJMF13-05831.0 - Union Pacific Railroad gas-turbine number 28 at Grand Island, Nebraska, undated.
- ItemJMF18-13641.0 - Union Pacific diesel switcher 1217 moving train number 6 at Salt Lake City, Utah on September 13, 1985.
- ItemJMF17-12747.1 - Union Pacific accident at Pioneer Pit, Washington in 1972.
- ItemJMF17-12293.0 - Union Pacific diesel locomotive 3072 at Tacoma, Washington in 1973.
- ItemJMF17-12481.0 - Union Pacific diesel locomotive 3072 at Tacoma, Washington in 1973.
- ItemJMF17-12482.0 - Union Pacific diesel locomotive 3072 at Tacoma, Washington in 1973.