4709: rift
San Antonio 30T 445565 4800834 (Datum: ETRS89. Accuracy code: G) Altitude 137m
Area position

A double shakehole where the depression to the east has 2 holes but no draughts. (Ref: 01g)

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