Burlington Northern diesel locomotive 1615, formerly Chicago, Burlington and Quincy 259, at Ottumwa, Iowa, on August 29, 1972. Number 1615 is a GP7 built by General Motors Electro Motive Division (EMD), builder's number 18975. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 1615, formerly Chicago, Burlington and Quincy 259, at Ottumwa, Iowa, on August 29, 1972. Number 1615 is a GP7 built by General Motors Electro Motive Division (EMD), builder's number 18975. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 1618, formerly Chicago, Burlington and Quincy 262, at Clyde, Illinois, on August 26, 1972. Number 1618 is a GP7 built by General Motors Electro Motive Division (EMD), builder's number 18978. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 1619, formerly Chicago, Burlington and Quincy 263, at Ottumwa, Iowa, on August 29, 1972. Number 1619 is a GP7 built by General Motors Electro Motive Division (EMD), builder's number 18979. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 1626, formerly Northern Pacific 552, at Pasco, Washington, on September 03, 1980. Number 1626 is a GP7 built by General Motors Electro Motive Division (EMD), builder's number 14093. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 1627, formerly Northern Pacific 553, at Auburn, Washington, on February 17, 1971. Number 1627 is a GP7 built by General Motors Electro Motive Division (EMD), builder's number 14094. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 1627, formerly Northern Pacific 553, at Auburn, Washington, on January 04, 1971. Number 1627 is a GP7 built by General Motors Electro Motive Division (EMD), builder's number 14094. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 1627, formerly Northern Pacific 553, at Auburn, Washington, circa 1977. Number 1627 is a GP7 built by General Motors Electro Motive Division (EMD), builder's number 14094. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 1629, formerly Northern Pacific 555, at Auburn, Washington, on September 08, 1971. Number 1629 is a GP7 built by General Motors Electro Motive Division (EMD), builder's number 15687. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, roundhouse.

Burlington Northern diesel locomotive 1630, formerly Northern Pacific 556, at Auburn, Washington, on August 17, 1972. Number 1630 is a GP7 built by General Motors Electro Motive Division (EMD), builder's number 15688. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.