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 5603 near Sandpoint, Idaho, on August 21, 1970. Number 5603, a U25C, is leading train number 85. Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive.

Burlington Northern diesel locomotive 5603 near Sandpoint, Idaho, on August 21, 1970. Number 5603, a U25C, is leading train number 85. Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive.

Burlington Northern diesel locomotive 5603 between Hope and Kootenai, Idaho, on August 21, 1970. Number 5603, a U25C, is leading train number 85. Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive.

Burlington Northern diesel locomotive 5674 at Sandpoint, Idaho, on August 21, 1970. Number 5674 is leading train number 182 across Lake Pend Oreille. Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive.

Burlington Northern diesel locomotive 5674 at Sandpoint, Idaho, on August 21, 1970. Number 5674 is leading train number 182. Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive.

Burlington Northern diesel locomotive 5674 at Sandpoint, Idaho, on August 21, 1970. Number 5674 is leading train number 182. Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive.