Burlington Northern diesel locomotive 6516 at Troy, Montana, on August 05, 1971. Number 6516, an SD45, leads second 82 east of Troy. Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive.

Burlington Northern diesel locomotive 6516 at Troy, Montana, on August 05, 1971. Number 6516, an SD45, leads second 82 east of Troy. Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive.

Burlington Northern diesel locomotive 6516 at Troy, Montana, on August 05, 1971. Burlington Northern 6516 leads second 82 ("2-82"). Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive.

Burlington Northern diesel locomotive 6516 at Troy, Montana, on August 05, 1971. Burlington Northern 6516 leads second 82 ("2-82"). Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive.