https://frisco.org/mainline/2016/02/18/gp38ac-640-gp38-2-462-u25bs-813-and-827-sd45s-908-and-946-gp38-2-427-and-u25b-816-at-tulsa-oklahoma-on-july-4-1979/
GP38AC 640, GP38-2 462, U25Bs 813 and 827, SD45s 908 and 946, GP38-2 427, and U25B 816 at Tulsa, Oklahoma on July 4, 1979