4637: hole
San Antonio 30T 445313 4800604 (Datum: ETRS89. Accuracy code: G) Altitude 169m
Length 2m Depth 2m
Area position

A 2m deep, mud-floored hole in a field which may be a recent collapse.

References: anon., 2017d (autumn logbook)
Entrance pictures :
Underground pictures :
Video :
Detailed survey : to come
Line Survey :
On area survey :
Survex file : to come