639 Cave
Riaño VP52320035 Alt. 215m Depth 10m
Steep slope to a 10m pitch. Rifts lead off at different points in loose rock and mud.
References: anon., 1987 (logbook); anon., 1989 (logbook);
Neill A et al, 1989;
material in file
Entrance picture :
Underground picture(s):
Detailed Survey :
Line Survey :
On area survey :
Survex file :