Amtrak diesel locomotive 406, an E9A SN 21602 former Milwaukee 30C and 200C at Minneapolis, Minnesota on June 19, 1973. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak diesel locomotive 406, an E9A SN 21602 former Milwaukee 30C and 200C at Minneapolis, Minnesota on June 19, 1973. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Burlington Northern 8034 leading a train on Stone Arch Bridge in Minneapolis, Minnesota on July 19, 1980. Number 8034 is a SD40-2 built by the Electro-Motive Division of General Motors (EMD), builder's number 786216-4. Photo by Al Christianson.

Burlington Northern 8155 leading a train in Minneapolis, Minnesota on February 6, 1982. Number 8155 is a SD40-2 built by the Electro-Motive Division of General Motors (EMD), builder's number 786256-66. Photo by Al Christianson.

Burlington Northern 8158 leading a train in Minneapolis, Minnesota on April 7, 1981. Number 8158 is a SD40-2 built by the Electro-Motive Division of General Motors (EMD), builder's number 786256-69. Photo by Al Christianson.

Burlington Northern 8167 leading a train in Minneapolis, Minnesota on February 6, 1982. Number 8167 is a SD40-2 built by the Electro-Motive Division of General Motors (EMD), builder's number 786256-78. Photo by Al Christianson.

Burlington Northern 9758 at Northtown Shops in Minneapolis, Minnesota in 1976. Number 9758 is a F7A built by the Electro-Motive Division of General Motors (EMD), builder's number 17917.

Burlington Northern caboose 10897 at the south ex-Great Northern Railway station platform in Minneapolis, Minnesota on April 29, 1971. Photo by Howard Patrick.

Burlington Northern diesel locomotive 113, formerly Northern Pacific 113, at Minneapolis, Minnesota, on June 19, 1973. Number 113 is an SW7 built by General Motors Electro Motive Division (EMD). Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 1354, formerly Great Northern 904, at Minneapolis, Minnesota in August 1972. Number 1354 is an S-2 built by General Motors Electro Motive Division (EMD), builder's number 25062. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, roundhouse.

Burlington Northern diesel locomotive 1354, formerly Great Northern 904, at Minneapolis, Minnesota in August 1972. Number 1354 is a GP9 built by General Motors Electro Motive Division (EMD), builder's number 25062. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, roundhouse, heater car.

Burlington Northern diesel locomotive 1354, formerly Great Northern 904, at Minneapolis, Minnesota in August 1972. Number 1354 is a GP9 built by General Motors Electro Motive Division (EMD), builder's number 25062. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, roundhouse, heater car.

Burlington Northern diesel locomotive 139, formerly Great Northern 167, at Minneapolis, Minnesota, on August 24, 1972. Number 139 is an SW7 built by General Motors Electro Motive Division (EMD), builder's number 9573. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 1539, formerly Great Northern 639, at Minneapolis, Minnesota, on June 19, 1973. Number 1539 is a GP7 built by General Motors Electro Motive Division (EMD), builder's number 13352. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 1541, formerly Great Northern 641, at Minneapolis, Minnesota, on June 21, 1973. Number 1541 is a GP7 built by General Motors Electro Motive Division (EMD), builder's number 13354. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 1549, formerly Great Northern 649, at Minneapolis, Minnesota, on June 21, 1973. Number 1549 is a GP7 built by General Motors Electro Motive Division (EMD), builder's number 13362. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 158, formerly Northern Pacific 117, at Minneapolis, Minnesota, on June 19, 1973. Number 158 is an SW9 built by General Motors Electro Motive Division (EMD), builder's number 15686. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 1833 inside the Dale Street diesel shop in Minneapolis, Minnesota on May 30, 1973. Number 1833 is a GP9 built by Electro Motive Division (EMD), builder's number 21254. Photo by Howard Patrick.

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 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.

Burlington Northern diesel locomotive 2012, formerly Great Northern 2012, at Minneapolis, Minnesota, on August 24, 1972. Number 2012 is a GP20 built by General Motors Electro Motive Division (EMD), builder's number 25700. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 2014, formerly Great Northern 2014, at Minneapolis, Minnesota, on June 21, 1973. Number 2014 is a GP20 built by General Motors Electro Motive Division (EMD), builder's number 25702. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 2017, formerly Great Northern 2017, at Minneapolis Jct., Minnesota, on June 19, 1973. Number 2017 is a GP20 built by General Motors Electro Motive Division (EMD), builder's number 25705. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, bridge.

Burlington Northern diesel locomotive 2017 at Minneapolis Jct., Minnesota, on June 19, 1973. Number 2017, a GP20 is shown with F7B number 733 on an ore train. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.