4634: shaft San Antonio 30T 445539 4800951 (Datum: ETRS89. Accuracy code: G) Altitude 137m Depth 4m Area position : Logbook search
A 4m deep, draughting and undescended hole.
References: anon., 2017d (autumn logbook) Entrance pictures : Underground pictures : Video : Detailed survey : to come Line Survey : On area survey : Survex file : to come