Some small blocks have been removed from the entrance. Three large blocks will need mechanical means. The draughting hole is in the lower part of a doline close to site 4951. [Loosely translated from the Easter logbook account.]

References: anon., 2019b (Easter logbook)
Entrance pictures : March 2019
Underground picture :
Video :
Detailed survey :
Line Survey :
On area survey :
Survex file :