F7A 21 by Frisco.org Posted on January 15, 2015 F7A 21 F7A 21 near Altamont, Kansas (date unknown) (Mac Owen – Blackhawk Films). This entry was posted in GS Collection and tagged 21, Electro-Motive Division, F7A. Bookmark the permalink.
Number 21 was retired during December 1969. The units were re-numbered during 1968, so that leaves a rather small window during which the photo was taken.