F7A 33
F7A 33 at Tulsa, Oklahoma on April 16, 1973 (John Nixon).
F7A 33 at Tulsa, Oklahoma on April 16, 1973 (John Nixon).
GP7 506 and F7A 33 (date and location unknown).
F7A 33 Northbound at the south end of Madill, OK (date unknown).
Thanks to Karl Brand for location information.
F7A 33 at Oklahoma City, Oklahoma in September 1970 (Vernon Ryder).