Burlington Northern Diesel Locomotive 403 at Denver, Colorado, August 1971, Big Sky Blue paint scheme (as Burlington Northern 6433). Other subject classes: Locomotive

Burlington Northern Diesel Locomotive 423 at Denver, Colorado, May 24, 1970, Big Sky Blue paint scheme (as Burlington Northern 6453). Other subject classes: Locomotive

Burlington Northern Diesel Locomotive 436 at Denver, Colorado, June 16, 1974, Big Sky Blue paint scheme (as Burlington Northern 6609). Other subject classes: Locomotive

Burlington Northern Diesel Locomotive 436 at Denver, Colorado, June 16, 1974, Big Sky Blue paint scheme (as Burlington Northern 6609). Other subject classes: Locomotive

Burlington Northern Diesel Locomotive, Type SW7 Number 119 at Denver, Colorado on October 18, 1981. Number 119 was built by Electro-Motive Division (EMD) in May, 1950 as Chicago, Burlington and Quincy Number 9253, Builder Number 8497. It was retired in October, 1985. Photo by Al Christianson.

Burlington Northern Diesel Locomotive, Type SW9 Number 161 at Denver, Colorado on September, 5 1981. Number 161 was built by Electro-Motive Division (EMD) in September 1951 as Chicago, Burlington and Quincy Number 9270, Builder Number 13213. It was retired in November, 1984. Front 3/4 view, engineer's side. Photo by Al Christianson.

Burlington Northern NW12 (NW2R) diesel locomotive Number 19 (Ex-Great Northern 5322, Great Northern 122, Burlington Northern 469 rebuilt in October 1976 in Denver, Colorado on December 5, 1981. Burlington Northern SW7 diesel locomotive Number 107 also partially visible. Photo by Al Christianson.

Burlington Northern Trailer 0126 at Denver, Colorado, July 10, 1984, former Great Northern Railway trailer as Burlington Northern 0126. Other subject classes: Trailer

Chicago, Milwaukee, St. Paul & Pacific Railroad Company observation car "Cedar Rapids" at Denver, Colorado, on May 26, 1989. Rear view of Milwaukee Road streamline observation car, Cedar Rapids, at Denver in 1980. Photo by J.M. Fredrickson. Other Subject Classes: observation car.

Chicago, Milwaukee, St. Paul & Pacific Railroad Company observation car "Cedar Rapids" at Denver, Colorado, on May 26, 1989. Milw streamline observation car, Cedar Rapids, at Denver in 1980. Photo by J.M. Fredrickson. Other Subject Classes: observation car.