Burlington Northern diesel locomotive 3001 at Cocolalla, Idaho, on August 21, 1970. Number 3001, an ex-Great Northern GP30, is leading train number 179. Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive.

Burlington Northern diesel locomotive 3001 at Cocolalla, Idaho, on August 21, 1970. Number 3001, an ex-Great Northern GP30, is leading train number 179. Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive.

Burlington Northern diesel locomotive 3001 at Cocolalla, Idaho, on August 21, 1970. Number 3001, an ex-Great Northern GP30, is leading train number 179. Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive.

Burlington Northern diesel locomotive 3001 at Cocolalla, Idaho, on August 21, 1970. Number 3001, an ex-Great Northern GP30, is leading train number 179. Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive.

Burlington Northern diesel locomotive 6604 at Cocolalla, Idaho, on August 21, 1970. Number 6604, an F45, is leading westbound train number 190. Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive.

Burlington Northern diesel locomotive 6604 at Cocolalla, Idaho, on August 21, 1970. Number 6604, an F45, is leading westbound train number 190. Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive.

Burlington Northern freight trains at Cocolalla, Idaho, on August 21, 1970. Train number 190 is meeting train number 179. Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive.