1787: sink
Riaño 30T 452968 4799571 (Datum: ETRS89. Accuracy code: M) Altitude 318m
Area position : Logbook search

A sink in a valley which could be a feeder for site 1666 / 1617.

Reference: anon., 2002b (summer logbook); Corrin Juan, 2003b
Entrance picture:
Underground picture(s):
Detailed survey:
Line survey:
On area survey:
Survex file:

X