Burlington Northern Diesel Locomotive 327 at Denver, Colorado, May 24, 1972, Big Sky Blue paint scheme (as Burlington Northern 9857). Other subject classes: Locomotive

Burlington Northern Diesel Locomotive 3005 at Denver, Colorado, November 1970, Big Sky Blue paint scheme (as Burlington Northern 2205). Other subject classes: Locomotive

Burlington Northern Diesel Locomotive 3005 at Denver, Colorado, November 1970, Big Sky Blue paint scheme (as Burlington Northern 2205). Other subject classes: Locomotive

Burlington Northern Diesel Locomotive 2539 at Denver, Colorado, October 1971, Big Sky Blue paint scheme (as Burlington Northern 5709). Other subject classes: Locomotive

Burlington Northern Diesel Locomotive 2024 at Denver, Colorado, November 1970, Big Sky Blue paint scheme (as Burlington Northern 2024). Other subject classes: Locomotive

Burlington Northern Diesel Locomotive 2016 at Denver, Colorado, August 16, 1970, original orange/green paint scheme, formerly Great Northern 2016. Other subject classes: Locomotive

Burlington Northern Diesel Locomotive 2016 at Denver, Colorado, August 16, 1970, original orange/green paint scheme, formerly Great Northern 2016. Other subject classes: Locomotive

Burlington Northern Diesel Locomotive 2016 at Denver, Colorado, August 16, 1970, original orange/green paint scheme, formerly Great Northern 2016. Other subject classes: Locomotive

Burlington Northern Diesel Locomotive 2016 at Denver, Colorado, August 16, 1970, original orange/green paint scheme, formerly Great Northern 2016. Other subject classes: Locomotive

Burlington Northern Diesel Locomotive 2016 at Denver, Colorado, August 16, 1970, original orange/green paint scheme, formerly Great Northern 2016. Other subject classes: Locomotive