3522: dig
Secadura 30T 456050 4800020 (Datum: ETRS89. Accuracy code: G) Altitude 64m
Depth 4m
Area position

A rift immediately below the track. A possible corner to the left can be seen 4 - 5m along a passage.

Reference: anon., 2011b (Easter logbook)
Entrance picture:
Underground pictures :
Video :
Detailed Survey :
Line Survey :
On area survey :
Survex file :