3777: Dos Burros
Secadura 30T 455822 4799176 (Datum: ETRS89. Accuracy code: G) Altitude 105m
Length 17m Depth 9m
Area position

Updated 1st May 2013

A dig in a draughting low bedding that reached a 4m drop to a short passage with a stal at the end. There is no way on without concerted digging.

Reference: anon., 2012a (autumn logbook); anon., 2013b (Easter logbook)
Entrance pictures : yes
Underground picture :
Video : Hilti capping (YouTube)
Detailed Survey : pdf, Easter 2013
Line Survey :
On area survey :
Survex file : yes (Amended magnetic declination December 2013 to align with Eur79 grid and coordinates altered to fit ETRS89 datum, April 2014.)