Amtrak diesel locomotive 305 leads train train 26 at Boise, Idaho on August 1, 1986. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Burlington Northern diesel locomotive 6638 at Boise, Idaho, on October 07, 1988. Number 6638 is an F45 built by General Motors Electro Motive Division (EMD), builder's number 37178. The unit is being scrapped. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Chicago, Rock Island & Pacific Railroad diesel locomotive 944 supplying parts at Boise, Idaho on October 7, 1988. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Iowa Northern Railway GP-40 diesel locomotive number 361 parked at the Morrison Knudsen rebuild facility in Boise, Idaho, on October 7, 1988. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive .

Louisville and Nashville Railroad diesel locomotive 1389 frame at Boise, Idaho on October 7, 1988. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Norfolk & Western Railway diesel locomotive 2965 during a major overhaul at Morrison?Knudsen in Boise, Idaho on October 8, 1986. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Wabash Valley Railroad Electro-Motive Division (EMD) GP7 diesel locomotive number 4103, with Union Pacific heritage, parked at Morrison Knutsen in Boise, Idaho, on October 7, 1988, awaiting its date with the scrapper. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.