0642: dig Riaño 30T 452278 4800011 (Datum: ETRS89. Accuracy code: M) Altitude 236m Area position : Logbook search
A dig beside a large boulder has a good inward draught.
References: anon., 1987 (logbook); material in file Entrance picture : Underground picture(s): Detailed Survey : Line Survey : On area survey : Survex file :