4392: holes
Riaño 30T 450706 4800902 (Datum: ETRS89. Accuracy code: G) Altitude 114m
Area position

Muddy holes exposed by the road widening.

References: anon., 2016b (Easter logbook)
Entrance pictures : Easter 2016
Underground picture :
Video :
Detailed survey :
Line Survey :
On area survey :
Survex file :

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