G-MO in Joliet By Angela Cotey | June 20, 2019 | Last updated on August 7, 2025 Email Newsletter Get the newest photos, videos, stories, and more from Trains.com brands. Sign-up for email today! Get Updates Two of the Gulf, Mobile & Ohio’s four F7As approach UD Tower in Joliet, Ill., in fall 1951 with a southbound freight for Bloomington. Wallace W. Abbey photo