4850: shaft
Riaño 30T 451143 4799491 (Datum: ETRS89. Accuracy code: G) Altitude 284m
Length 23m Depth 23m
Area position

A tight entrance to a narrow shaft emitting a good, warm draught. It enlarges at the bottom but is blind.

References: anon., 2018e (Christmas logbook)
Entrance pictures : January 2019
Underground pictures :
Video : January 2019 (YouTube)
Detailed survey : January 2019
Line Survey :
On area survey :
Survex file : January 2019

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