B&O F7s with empty hoppers By Angela Cotey | March 5, 2024 | 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 Three Baltimore & Ohio F7s pass Bond Tower, about 10 miles west of Keyser, W.Va., on Seventeen Mile Grade, with empty coal hoppers in March 1951. Note the runaway track curving behind the tower. William P. Price photo