Burlington Northern GP38-2 Number 2150, built June 1980; SD7 Number 6087, former Fort Worth and Denver Number 857; at Dallas, Texas on May 27, 1981. Sub-lettering for Fort Worth and Denver on Number 2150. Photo by Al Christianson.

Amtrak passenger train passes Reunion Tower in Dallas, Texas on June 22, 1978. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak passenger train passes Reunion Tower in Dallas, Texas on June 22, 1978. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak passenger train passes Reunion Tower in Dallas, Texas on June 22, 1978. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak diesel locomotive 506, an EMD SDP40F SN 72694-7 at Dallas, Texas on June 22, 1978. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak diesel locomotive 506, an EMD SDP40F SN 72694-7 at Dallas, Texas on June 22, 1978. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak diesel locomotive 505, an EMD SDP40F SN 72694-6 at Dallas, Texas in June 1978. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak diesel locomotive 505, an EMD SDP40F SN 72694-6 at Dallas, Texas in June 1978. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train