159 Shafts (3)
Muela VN54489638 Alt. 720m Depth 10m

Three parallel shafts which all choke. Marked PD4. Sprayed 159 and also marked with an "M" number by another caving group.

References: anon., 1980a (logbook); Corrin J S and Smith P, 1981; anon., 1990b (logbook)
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