3449: SMV-10, Sima
San Miguel 30T 457098 4795091 (Datum: ETRS89. Accuracy code: M) Altitude 422m
Length 200m Depth 149m
Area position : Logbook search

This site is described in León García José, 2010 (Volume 1 and Volume 2). (Cantabria Subterránea. Catálogo Grandes Cavidades.) The shaft was explored in 1984 by the GESCAT team. A 110m pitch descends to a number of much smaller drops.

Reference: León García José, 2010 (Volume 1 and Volume 2) (survey)
Entrance picture:
Underground picture(s):
Detailed survey: elevation from León García José, 2010 (Volume 1 and Volume 2). (Cantabria Subterránea. Catálogo Grandes Cavidades.)
Line survey:
On area survey:
Survex file:

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