Burlington Northern diesel locomotive 6125, formerly Great Northern 598, at Klamath Falls, Oregon, on June 24, 1974. Number 6125 is an SD9 built by General Motors Electro Motive Division (EMD), builder's number 24100. 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 6134, formerly Chicago, Burlington and Quincy 332, at Burlington, Iowa, on August 29, 1972. Number 6134 is an SD9 built by General Motors Electro Motive Division (EMD), builder's number 18991. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 6145, formerly Chicago, Burlington and Quincy 343, at Ottumwa, Iowa, on August 29, 1972. Number 6145 is an SD9 built by General Motors Electro Motive Division (EMD), builder's number 19002. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

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 6150, formerly Chicago, Burlington and Quincy 348, at Clyde, Illinois, on August 26, 1972. Number 6150 is an SD9 built by General Motors Electro Motive Division (EMD), builder's number 20558. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 6158, formerly Chicago, Burlington and Quincy 356, at Custer, South Dakota, on September 02, 1972. Number 6158 is an SD9 built by General Motors Electro Motive Division (EMD), builder's number 20566. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 6175, formerly Chicago, Burlington and Quincy 373, at Tacoma, Washington in November 1985. Number 6175 is an SD9 built by General Motors Electro Motive Division (EMD), builder's number 20583. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 6176, formerly Chicago, Burlington and Quincy 374, at Custer, South Dakota, on September 01, 1972. Number 6176 is an SD9 built by General Motors Electro Motive Division (EMD), builder's number 20584. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.