Updated 24th May 2017; 3rd, 16th January 2018

A draughting hole in steep banking, 5m above the track. At Easter 2017, the entrance was enlarged but is thought not to warrant extra work. Another team inspected the hole in October that year and agreed.

References: anon., 2016d (autumn logbook); anon., 2017b (Easter logbook); anon., 2017d (autumn logbook)
Entrance picture : October 2017
Underground pictures :
Video :
Detailed survey :
Line Survey :
On area survey :
Survex file :