4260: dig
RiaƱo 30T 450870 4800190 (Datum: ETRS89. Accuracy code: G) Altitude 150m
Area position

   A mud-filled phreatic hole.

Reference: anon., 2016b (Easter logbook) (November 2015 logbook account pasted here)
Entrance pictures :
Underground pictures :
Video :
Detailed survey :
Line Survey :
On area survey :
Survex file :

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