A small hole in a small shakehole about 6m east of site 3897. It is possible to hear hammering in 3897 from here. The hole is covered with slabs and looks to be a narrow rift about 2 or 3m deep.

Reference: anon., 2013d (summer logbook)
Entrance pictures : yes
Underground pictures :
Video :
Detailed survey :
Line Survey :
On area survey :
Survex file :