Consolidated Rail Corporation (Conrail) diesel locomotive 6495 lead a freight train at Bowie, Maryland on July 5, 1982. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Consolidated Rail Corporation (Conrail) diesel locomotive 6423 lead a coal train at Bowie, Maryland on July 5, 1982. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Consolidated Rail Corporation (Conrail) diesel locomotive 6423 leads a coal train at Bowie, Maryland on July 5, 1982. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Consolidated Rail Corporation (Conrail) diesel locomotive 6423 leads a coal train at Bowie, Maryland on July 5, 1982. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Consolidated Rail Corporation (Conrail) diesel locomotive 6423 lead a train at Bowie, Maryland on July 5, 1982. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Consolidated Rail Corporation (Conrail) diesel locomotive 6423 lead a train at Bowie, Maryland on July 5, 1982. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Amtrak passenger train at Bowie, Maryland on July 5, 1982. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak passenger train at Bowie, Maryland on July 5, 1982. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak passenger train at Bowie, Maryland on July 5, 1982. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak electric locomotive 970 at Bowie, Maryland on July 5, 1982. Bridge visible in the photo. Photo by J.M. Fredrickson. Other Subject Classes: electric locomotive, passenger train