4433: sink
Fresnedo 30T 452803 4800562 (Datum: ETRS89. Accuracy code: G) Altitude 300m
Area position

A small sink and collapse.

References: anon., 2016b (Easter logbook)
Entrance pictures : April 2016
Underground picture :
Video :
Detailed survey :
Line Survey :
On area survey :
Survex file :

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