534 Dig
La Secada VN50859726 Alt. 452m

The entrance lies on the northern side of a large depression with an oak tree in the hole. A slightly draughting collapse which requires much digging. Marked 534.

Reference: anon., 1985b (logbook)
Entrance picture : yes
Underground picture(s):
Detailed Survey :
Line Survey :
On area survey :
Survex file :