False 1623-B4 CUCC 1976/B4 1623 4 1/S + B4 1623-B4 CUCC 1976 Descent of 45° snow slope reaches a choked rift. Above and ahead water enters via small aven but no sign of a way on.

CUCC sketch 1996

Surveyed 2005, Olly Betts, Jenny Black

Photoed 2015, Wookey

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