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 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 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 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 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.