4723: sink
San Antonio 30T 445806 4800413 (Datum: ETRS89. Accuracy code: G) Altitude 198m
Area position

A wet weather sink under a rock wall. (Ref: 04a)

References: anon., 2018b (Easter logbook)
Entrance pictures :
Underground pictures :
Video :
Detailed survey :
Line Survey :
On area survey :
Survex file :

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