SP yard at Dunsmuir, Calif. By Angela Cotey | October 22, 2025 Email Newsletter Get the newest photos, videos, stories, and more from Trains.com brands. Sign-up for email today! Get Updates With Mt. Shasta rising in the background, a Baldwin road-switcher works the Southern Pacific yard at Dunsmuir, Calif., in the 1950s. Mac LeFebre photo