Narrow gauge freight By Angela Cotey | June 2, 2025 | 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 A 70-car Rio Grande narrow gauge freight drops down Tanglefoot Curve east of Cumbres, Colo., on June 11, 1960. Power is K-36 2-8-2 No. 486. Robert F. Collins photo Share this article Print Facebook