4725: collapse
San Antonio 30T 445534 4800979 (Datum: ETRS89. Accuracy code: G) Altitude 133m
Length 5m Depth 5m
Area position

Updated 27th September 2018

A 5m deep collapse, undercut at the base. This feature is all in earth. (Ref: 04c)

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

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