Northern Pacific General Electric Type U25C numbered as Burlington Northern 5673, Great Northern Electro-Motive Division Type SD45 numbered as Burlington Northern 6450, and Northern Pacific Electro-Motive Division Type SD45 numbered as Burlington Northern 6418 at Missoula, Montana, September 6, 1970.
Great Northern Electro-Motive Division Type F7A, numbered as Burlington Northern 602, andSpokane, Portland, and Seattle Railway American Locomotive Company (ALCO) Type RS3 numbered as Burlington Northern 4077 at Pasco, Washington, August 1, 1970.
Northern Pacific Electro-Motive Division Type SD45 numbered as Burlington Northern 6418, Great Northern Electro-Motive Division Type SD45F as Burlington Northern 428, and Great Northern Type SD45 as Burlington Northern 423 at Trego, Montana, May 17, 1970.
Great Northern Electro-Motive Division Type SD45 numbered as Burlington Northern 6436, Great Northern Type F45 as Burlington Northern 430, and Northern Pacific Type SD45 as Burlington Northern 3613 at Glacier Park, Montana, May 16, 1970.
Great Northern Electro-Motive Division Type SD45F numbered as Burlington Northern 6600 and Spokane, Portland and Seattle Railway American Locomotive Company (ALCO) Type C425 numbered as Burlington Northern 4240 at Whitefish, Montana, September 6, 1970.
Great Northern Electro-Motive Division Type SD45F numbered as Burlington Northern 6604, Great Northern Type SD45 numbered as Burlington Northern 6442 at Spokane, Washington, August 1, 1970.
Great Northern Electro-Motive Division Type SD45Fs numbered as Burlington Northern 6612 and 6607 at Summit, Montana, April 9, 1971.
Great Northern Electro-Motive Division Type F7A numbered as Burlington Northern 676 at Whitefish, Montana, September 5, 1970.
Great Northern Electro-Motive Division Type F7A numbered as Burlington Northern 676, and a Great Northern Type GP7 as Burlington Northern 1520 at Whitefish, Montana, September 5, 1970.
Burlington Northern diesel locomotives Number 6920 (EMD SD40-2) and 4258 (Alco C-425, former SP&S 320) lead a westbound freight at Avery, Washington, March 1976. Photo by Robert Johnston.