Great Northern Boxcar 50561 at Denver, Colorado, February 22, 1964, double wood sided 40 foot boxcar. Other subject classes: Box car

Great Northern Boxcar 50561 at Denver, Colorado, February 22, 1964, double wood sided 40 foot boxcar. Other subject classes: Box car

Great Northern Boxcar 50561 at Denver, Colorado, February 22, 1964, double wood sided 40 foot boxcar. Other subject classes: Box car

Great Northern Boxcar 50561 at Denver, Colorado, February 22, 1964, double wood sided 40 foot boxcar. Other subject classes: Box car

Great Northern Boxcar 5113 at Belen, New Mexico, July 19, 1980. Other subject classes: Box car

Great Northern Boxcar 51838 at Denver, Colorado, January 16, 1966, double wood sided 40 foot boxcar. Other subject classes: Box car

Great Northern Boxcar 5287 at Albuquerque, New Mexico, December 30, 1980. Other subject classes: Box car

Great Northern Boxcar 52960 at Benchland, Montana, November 22, 1965, double wood sided 40 foot boxcar. Other subject classes: Box car

Great Northern Boxcar 5357 at Albuquerque, New Mexico, December 31, 1980. Other subject classes: Box car

Great Northern Boxcar 5387 at Albuquerque, New Mexico, May 21, 1980. Other subject classes: Box car