Great Northern Diesel Locomotive 509 at Askov, Minnesota, September 9, 1967, diesel locomotive number 509, a type E-7, leading Train 23. Other subject classes: Passenger train

Great Northern Railway 307C at Askov, Minnesota in 1967. The locomotive is heading the second part of train 408 at Askov, Minnesota with SD-9 Number 574. Other subject classes: Locomotive, SD-9

Meet between Great Northern Railway trains 23 and 509 at Askov, Minnesota in 1967 with Class E7-A number 509 and Class SD-9 number 574. Big Sky Blue color scheme.