3551: dig
La Colina 30T 453352 4796447 (Datum: ETRS89. Accuracy code: G) Altitude 549m
Area position

A 1m x 0.3m hole to a narrow crack that goes 3m. The floor could be dug but there is no draught.

Reference: anon., 2011d (summer logbook)
Entrance picture: yes
Underground pictures :
Video :
Detailed Survey :
Line Survey :
On area survey :