Burlington Northern diesel locomotive 1913, formerly Northern Pacific 328, at Minneapolis, Minnesota, on June 21, 1973. Number 1913 is a GP9 built by General Motors Electro Motive Division (EMD), builder's number 22731. 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 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 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 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 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 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 199, formerly Northern Pacific 140, at Dayton's Bluff, Minnesota, on June 20, 1973. Number 199 is an SW1200 built by General Motors Electro Motive Division (EMD), builder's number 21180. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 2004, formerly Great Northern 2004, at Minneapolis, Minnesota, on August 24, 1972. Number 2004 is a GP20 built by General Motors Electro Motive Division (EMD), builder's number 25565. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.