The Twin Mountain and Potomac Railroad was built in 1911 to haul fruit from Twin Mountain Orchards to Keyser. It was a {{RailGauge|3ft|lk=on}} narrow gauge railroad and the freight was transferred to the Baltimore and Ohio Railroad at Keyser. The Burlington, West Virginia train station survives and is now used as a branch of the Mineral County Library.
6 : Transportation in Mineral County, West Virginia|Defunct West Virginia railroads|Narrow gauge railroads in West Virginia|3 ft gauge railways in the United States|Railway companies established in 1911|American companies established in 1911