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.

Chicago, Burlington and Quincy Railroad  Zephyr passenger cars at Pueblo, Colorado, circa 1965. Photo by J.M. Fredrickson. Other Subject Classes: passenger car

Missouri Pacific Railroad dome passenger car "The Eagle" during a station stop at Pueblo, Colorado in 1959. Jim and Tim Fredrickson pose for the photobgraph. Photo by J.M. Fredrickson. Other Subject Classes: passenger car

Northern Pacific Day/Nite coach at the Burlington passenger station at Denver, Colorado, in January 1971. Photo by GJ Werkema. Other subject classes: passenger car, coach