False 1623-2012-ns-13 Moth Cave 1623 2012-ns-13 1623-2012-ns-13b b Noel Snape, Julian Todd Low crawl over sharp rocks leads down slope to emerge from lower entrance none 2012-ns-13 not in kataster 11m 5m 9m 2012-ns-13.svx 2012-ns-13 smkridge/2012-ns-13