952 Sima de la Llanas de Porlacebo
Mullir VN58359492 Alt. 530m Depth 95m

A 95m deep shaft, shown in Actividades Regionales. Exploraciones en Cantabria (anon., 1993a) as site 10. Approximate grid reference taken from the map in the same booklet. Twenty metres of the depth appears to be taken up with the entrance shakehole.

Reference: anon., 1993a (survey)
Entrance picture :
Underground picture(s):
Detailed Survey :
Line Survey :
On area survey :
Survex file :