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 6516 at Sandpoint Junction, Idaho in August 1974. Number 6516 is leading train number 97. Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive.

Burlington Northern diesel locomotive 6511 at Naples, Idaho in 1971. Number 6511 is leading train number 97. Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive.

Burlington Northern diesel locomotive 6477 in Idaho, on August 05, 1971. Number 6477 is leading train number 97. Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive.

Burlington Northern diesel locomotive 6477 in Idaho, on August 05, 1971. Number 6477 is leading train number 97. Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive.

Burlington Northern diesel locomotive 6477 in Idaho, on August 05, 1971. Number 6477 is leading train number 97. Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive.

Burlington Northern diesel locomotive 6462 between Kootenai and Sandpoint, Idaho, on August 21, 1970. Number 6462 is leading train number 174. Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive.

Burlington Northern diesel locomotive 6442 at Sandpoint, Idaho, circa 1978. Numbers 6442 and 6834 lead train No. 174. Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive.

Burlington Northern diesel locomotive 6383 at Macall, Idaho in May 1981. Burlington Northern 6383 leads Extra 6383 West. Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive.