False 1623-1998-X01 unknown98 1623 1d ? + 1998-X01 1623-1998-X01 Has a "+" mark of unknown provenance. Rediscovered and tied to surface survey by CUCC (Wookey and Andy W) 1998. There is a parser bug in troggle which puts this cave id in at the root of all survex files. So the problem is not here, its in the parser. 1623/1998-X01.html