4701: sink
San Antonio 30T 446039 4800930 (Datum: ETRS89. Accuracy code: G) Altitude 145m
Length 1m Depth 1m
Area position

A 1m deep sinkhole about 30m down the valley from site 4700. (Ref: 30a)

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

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