4127: shaft
La Secada 30T 452666 4797809 (Datum: ETRS89. Accuracy code: G) Altitude 170m
Length 6m Depth 6m
Area position

A line of 4 holes on strong joints lie above a sandstone band along line of rock outcrop. To west of site 4126, this draughtless entrance was found walled up, and is a 6m drop to a choked rift floor. Others are sites 4128 and 4129.

Reference: anon., 2015b (Easter logbook)
Entrance picture :

Underground pictures :
Video : yes (YouTube)
Detailed survey :
Line Survey :
On area survey :
Survex file :