False 1623-2002-08 1623 2d 1/S x 2002-08 1623-2002-08 CUCC 2002 Frank, Ben Hole at the bottom of a surface depression opens out to a pitch into a 6m by 4m chamber. Next pitch-head is too tight and requires capping. In dataset caves-1623/2002-08/2002-08.svx 1623/2002-08/2002-08.html