The Covington, Columbus and Black Hills Railroad is an historic narrow gauge railroad that operated in the U.S. state of Nebraska.[1]
Possibly the only narrow gauge revenue railroad in Nebraska, it opened in 1876 and ran on 26 mi (42 km) of 3 ft 6 in (1,067 mm) narrow gauge track in the northeast part of the state from Covington (South Sioux City) to Ponca.