Burlington Northern steel caboose 10050 backing in a yard at Longmont, Colorado, on December 31, 1989. The former Northern Pacific (NP) car is part of the NP 10050-10099 number series. Photo by GJ Werkema. Other subject classes: freight car, steel caboose

Burlington Northern steel caboose 10050 backing in a yard at Longmont, Colorado, on December 31, 1989. The former Northern Pacific (NP) car is part of the NP 10050-10099 number series. Photo by GJ Werkema. Other subject classes: freight car, steel caboose

Burlington Northern steel caboose 10050 backing in a yard at Longmont, Colorado, on December 31, 1989. The former Northern Pacific (NP) car is part of the NP 10050-10099 number series. Photo by GJ Werkema. Other subject classes: freight car, steel caboose

Burlington Northern steel caboose 10050 backing in a yard at Longmont, Colorado, on December 31, 1989. The former Northern Pacific (NP) car is part of the NP 10050-10099 number series. Photo by GJ Werkema. Other subject classes: freight car, steel caboose

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

Denver & Rio Grande Western Railroad depot at Grand Junction, Colorado on May 26, 1989. Photo by J.M. Fredrickson. Other Subject Classes: depot

Denver & Rio Grande Western Railroad diesel locomotive 5484 with a passenger train in Colorado, circa 1968. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Denver & Rio Grande Western Railroad steam locomotive 268 on display at an amusement park in Denver, Colorado, circa 1965. Jim's two sons Tim and Jim in photo. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive