| GM&O RS1 52 at Glenn Yard on the southwest side of Chicago, Illinois on June 6, 1965, photo by Chuck Zeiler. Built as Alton RS1 52 (c/n 74495) in November 1945, it became GM&O 52 and was retired in April 1975. The Alton had 10 RS1's (#'s 50-59) and they retained the Alton road numbers when they went to the GM&O. |