GM&O on the eve of merger By Angela Cotey | April 11, 2023 | 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 Gulf, Mobile & Ohio GP30 502 leads southbound freight 33 south of Pomona, Ill., in December 1971, ten months before GM&O’s merger with Illinois Central. Steven Mueller photo
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