Southern Pacific Railroad diesel locomotive 8464 at Fort Worth, Texas, on June 21, 1978. Number 8464 is shown with Burlington Northern numbers 5924, 5807, and 7025. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Great Northern Diesel Locomotive 257A at Fort Worth, Texas, 1964, original orange/green paint scheme. Other subject classes: Locomotive

Fort Worth and Denver Railway diesel locomotive 609 switching at Amarillo, Texas in 1978. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Fort Worth and Denver Railway diesel locomotive 609 switching at Amarillo, Texas in 1978. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Fort Worth and Denver Railway diesel locomotive 608 sits under a highway overpass in Amarillo, Texas on June 21, 1978. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Chicago, Rock Island & Pacific Railroad diesel locomotive 811 switches cars at Amarillo, Texas on June 21, 1978. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Chicago, Rock Island & Pacific Railroad diesel locomotive 4346 at Amarillo, Texas on June 21, 1978. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Chicago, Rock Island & Pacific Railroad diesel locomotive 4346 at Amarillo, Texas on June 21, 1978. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Burlington Northern C30-7 Number 5091 and SD40-2 Number 7825 at Fort Worth, Texas on April 19, 1981. Number 5091 was built by General Electric Company (GE) in April 1980. Builder Number 42883. It was retired in January 2001. It became ALL Number 9252. Number 7825 was built by Electro-Motive Division (EMD) in November 1974 as C&S Number 955. Builder Number 74648-6. It became BNSF Number 7825, then Number 1795.