Gravity assisted railroading By Angela Cotey | February 20, 2020 | Last updated on December 22, 2020 Email Newsletter Get the newest photos, videos, stories, and more from Trains.com brands. Sign-up for email today! Get Updates A Chesapeake & Ohio Mallet starts downgrade for Barrett, W.Va., with loads from Eastern Gas & Fuel’s Wharton No. 2 mine in June 1955. Trains’ Editor David P. Morgan tracked two cars from mine to Tidewater in the April 1956 issue. W.A. Akin Jr. photo