Updated 27th September 2018
A rift (1.5m deep and 0.3m wide) in the bank of the track. It appears choked at the base. (Ref: 04d)
References: anon., 2018b (Easter logbook)
Entrance pictures : April 2018
Underground pictures :
Video :
Detailed survey :
Line Survey :
On area survey :
Survex file :