Burlington Northern diesel locomotive 1812, formerly Great Northern 660, at Havre, Montana, on August 23, 1972. Number 1812 is a GP9 built by General Motors Electro Motive Division (EMD). Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight yard.

Amtrak diesel locomotive 409, an EMD F40PHR SN 877008-9 at Havre, Montana on May 1, 1989. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak diesel locomotive 150, an F7B SN 17863 at Havre, Montana on August 23, 1972. Amtrak 122 is former Burlington Northern 9745 and former Great Northern 462C. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train