Burlington Northern diesel locomotive 1957, formerly Northern Pacific 272, at Lincoln, Nebraska, on August 31, 1972. Number 1957 is a GP9 built by General Motors Electro Motive Division (EMD), builder's number 19611. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 1952, formerly Northern Pacific 373, at Mississippi Street, Minnesota, on August 24, 1972. Number 1952 is a GP9 built by General Motors Electro Motive Division (EMD), builder's number 24473. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 1947, formerly Northern Pacific 368, at Minneapolis, Minnesota, on August 24, 1972. Number 1947 is a GP9 built by General Motors Electro Motive Division (EMD), builder's number 24058. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, roundhouse.

Burlington Northern diesel locomotive 1947, formerly Northern Pacific 368, at Minneapolis, Minnesota, on August 24, 1972. Number 1947 is a GP9 built by General Motors Electro Motive Division (EMD), builder's number 24058. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, turntable.

Burlington Northern diesel locomotive 1946, formerly Northern Pacific 367, at Minneapolis, Minnesota, on June 19, 1973. Number 1946 is a GP9 built by General Motors Electro Motive Division (EMD), builder's number 24057. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, roundhouse.

Burlington Northern diesel locomotive 1946, formerly Northern Pacific 367, at Minneapolis Jct., Minnesota, on June 19, 1973. Number 1946 is a GP9 built by General Motors Electro Motive Division (EMD), builder's number 24057. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, roundhouse.

Burlington Northern diesel locomotive 1941, formerly Northern Pacific 362, at Minneapolis, Minnesota, on June 19, 1973. Number 1941 is a GP9 built by General Motors Electro Motive Division (EMD), builder's number 24052. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 1941, formerly Northern Pacific 362, at Minneapolis, Minnesota, on June 19, 1973. Number 1941 is a GP9 built by General Motors Electro Motive Division (EMD), builder's number 24052. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 194, formerly Northern Pacific 135, at Auburn, Washington, on May 25, 1971. Number 194 is an SW1200 built by General Motors Electro Motive Division (EMD), builder's number 21175. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 193, formerly Northern Pacific 134, at Tacoma, Washington, on December 09, 1970. Number 193 is an SW1200 built by General Motors Electro Motive Division (EMD), builder's number 21101. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, wood caboose.