Railroad Archives Online
- CollectionD0011 - James M. Fredrickson Collection
- Series001 - Burlington Northern Railroad Company
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3002 - Diesel Locomotives
- ItemJMF19-14228.5 - Burlington Northern diesel locomotive 2507 moves under a cantilever signal bridge at South Seattle, Washington, in 1987.
- ItemJMF18-13432.0 - Burlington Northern diesel locomotive 2520 assist Amtrak power at Tacoma, Washington, in 1979.
- ItemJMF18-13434.0 - Burlington Northern diesel locomotive 2520 assist Amtrak power at Tacoma, Washington, in 1979.
- ItemJMF18-13435.0 - Burlington Northern diesel locomotive 2520 assist Amtrak power northbound away from Tacoma, Washington, in 1979.
- ItemJMF18-13436.0 - Burlington Northern diesel locomotive 2520 assist Amtrak power northbound away from Tacoma, Washington, in 1979.
- ItemJMF18-13525.0 - Burlington Northern diesel locomotive 4368 at Tacoma, Washington, in March 1971.
- ItemJMF18-13532.0 - Burlington Northern diesel locomotive 6512C at Tacoma, Washington, on April 14, 1970.
- ItemJMF18-13597.0 - Burlington Northern diesel locomotive 7055 assists train number 7 at Seattle, Washington, on December 23, 1987.
- ItemJMF18-13598.0 - Burlington Northern diesel locomotive 7055 assists train number 7 at Seattle, Washington, on December 23, 1987.
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