Corsham railway station
…quarries under Box Hill, which was brought to the lineside by a tramway system of 2 ft 5+1⁄2 in (750 mm) gauge. The sidings led right up to the mouth of Box Tunnel, whose eastern portal is less than 1 mile (1.6 km) from the station. A main line siding also extended to an underground wharf in Corsham Down Quarry…