GP7 518 by Frisco.org Posted on February 19, 2014 GP7 518 GP7 518 at St. Louis, Missouri in August 1965 (Vernon Ryder). F7A 5031 is visible to the rear. This entry was posted in Slides and tagged 5031, 518, Electro-Motive Division, F7A, GP7. Bookmark the permalink.