Burlington Northern 6770 leading coal train in Fridley, Minnesota on June 4, 1981. Number 6770 is an SD40-2 built by Electro-Motive Division (EMD), builder's number 766010-18. Photo by Al Christianson.

Burlington Northern Diesel Locomotives 778, 773 and 783 with freight train at Fridley, Minnesota on June 16, 1981. Number 778 is an F9A built by General Motors Electro Motive Division (EMD), formerly Northern Pacific number 7010D. Number 773 is an F9B built by General Motors Electro Motive Division (EMD), formerly Northern Pacific number 7007C. Number 783 is an F9B built by General Motors Electro Motive Division (EMD), formerly Northern Pacific number 7010B. Photo by A.L. Christianson

Burlington Northern GP7 Number 1555, former Great Northern Number 656; F9A Number 790, ex Burlington Northern Number 9824 and former Northern Pacific Number 6706A; F9B Number 771, ex Burlington Northern Number 9805 and former Northern Pacific Number 6702B; F7B number unknown; GP20 number unknown; with eastbound freight in Fridley, Minnesota on March 8, 1981. Group of four Burlington Northern single-bay airslide hoppers behind the power. Photo by Dan Poitras.

Burlington Northern Class SD40-2 Number 6377, built April 1974; SD40-2 Number 6801, (former Number 6341, built March 1973); SD40-2 Number 8162, built July 1980; Fridley, Minnesota with a freight on August 11, 1981. Photo by Al Christianson.

Burlington Northern F9A Number 766, F9B Number 781; F9B Number 783, F9A Number 792, all former Northern Pacific; in Fridley, Minnesota with Frisco covered hopper 81122 on March 6, 1980. Photo by K. F. Rasmussen.

Burlington Northern F9A Number 766, F9B Number 781; F9B Number 783, F9A Number 792, all former Northern Pacific; in Fridley, Minnesota with train on March 6, 1980. Photo by K. F. Rasmussen.

Burlington Northern F9A Number 768, F7B Number 733; GP20 Number 2027, F9A Number 790; in Fridley, Minnesota with train on March 5, 1981.

Great Northern Diesel Locomotive 505 at Fridley, Minnesota, July 28, 1967, diesel locomotive number 505, an Electro-Motive Division type E-7, leading Train 11 (the "red River "). Other subject classes: Passenger train

Great Northern Railway 505 at Fridley, Wisconsin in 1967. Red River with E7-A number 505 near Fridley, Minnesota. Other subject classes: E-7 , Locomotive

Great Northern Railway 510 at Fridley, Minnesota in 1970. The locomotive is a General Motors Electro Motive Division E7-A Number 510 at head end of train no. 23 at Fridley, Minnesota; snow scene. Other subject classes: Locomotive, E-7