Burlington Northern diesel locomotive 6146, formerly Chicago, Burlington and Quincy 344, at Galesburg, Illinois, on August 28, 1972. Number 6146 is an SD9 built by General Motors Electro Motive Division (EMD), builder's number 19003. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 6127, formerly Chicago, Burlington and Quincy 325, at Galesburg, Illinois, on August 28, 1972. Number 6127 is an SD9 built by General Motors Electro Motive Division (EMD), builder's number 18984. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 6053, formerly Chicago, Burlington and Quincy 405, at Galesburg, Illinois, on August 29, 1972. Number 6053 is an SD7 built by General Motors Electro Motive Division (EMD), builder's number 17401. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 6053, formerly Chicago, Burlington and Quincy 405, at Galesburg, Illinois, on August 29, 1972. Number 6053 is an SD7 built by General Motors Electro Motive Division (EMD), builder's number 17401. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 6050, formerly Chicago, Burlington and Quincy 402, at Galesburg, Illinois, on August 29, 1972. Number 6050 is an SD7 built by General Motors Electro Motive Division (EMD), builder's number 17398. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 6046, formerly Chicago, Burlington and Quincy 323, at Clyde, Illinois, on August 26, 1972. Number 6046 is an SD7 built by General Motors Electro Motive Division (EMD), builder's number 18343. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 6044, formerly Chicago, Burlington and Quincy 321, at Galesburg, Illinois, on August 29, 1972. Number 6044 is an SD7 built by General Motors Electro Motive Division (EMD), builder's number 18341. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 5759 at Chicago, Illinois, on August 26, 1972. Number 5759 is a U33C built by General Electric, builder's number 37996. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 5736 at Clyde, Illinois, on August 26, 1972. Number 5736 is a U33C built by General Electric, builder's number 37973. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.