Great Northern Boxcar 36931 at Denver, Colorado, April 9, 1966. Other subject classes: Box car

Great Northern Boxcar 36919 at Denver, Colorado, April 10, 1965. Other subject classes: Box car

Great Northern Boxcar 36822 at Denver, Colorado, February 14, 1965. Other subject classes: Box car

Great Northern Boxcar 3658 at Denver, Colorado, August 29, 1980. Other subject classes: Box car

Great Northern Boxcar 36316 at Denver, Colorado, April 9, 1966. Other subject classes: Box car

Great Northern Boxcar 35362 at Denver, Colorado, April 10, 1965. Other subject classes: Box car

Great Northern Boxcar 34437 at Denver, Colorado, April 10, 1965. Other subject classes: Box car

Great Northern Boxcar 319376 at Denver, Colorado, December 25, 1989. Other subject classes: Box car

Great Northern Boxcar 319327 at Denver, Colorado, March 25, 1990. Other subject classes: Box car

Great Northern Boxcar 319313 at Denver, Colorado, December 25, 1989. Other subject classes: Box car