| AT&SF GP7u 1310 at Corwith Yard in Chicago, Illinois on an unknown day in November 1979, Kodachrome by Chuck Zeiler. Number 1310 was built in February 1964 as GP7 2829 (c/n 17640), rebuilt to GP7u and renumbered to 2246 in June 1973, renumbered to 1310 in January 1977. After the merger with the BN, 1310 was renumbered BNSF 50, and quickly renumbered to BNSF 3820. |