4178: shaft
La Secada 30T 453177 4798562 (Datum: ETRS89. Accuracy code: G) Altitude 284m
Depth 6m
Area position

A tight rift near a fence. Stones fall about 6m but there is no draught.

Reference: anon., 2015c (summer logbook)
Entrance pictures :
Underground pictures:
Video:
Detailed Survey :
Line Survey :
On area survey :
Survex file :

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