3493: depression
Bosmartín 30T 449745 4797148 (Datum: ETRS89. Accuracy code: G) Altitude 438m
Area position

A possible hole beneath a fresh rubble fill. The site is next to a small depression with bog plants, suggesting an impermeable layer.

Reference: anon., 2011b (Easter logbook)
Entrance picture: yes
Underground pictures :
Video :
Detailed Survey :
Line Survey :
On area survey :
Survex file :