Julian Griffiths at the deep rift sump, c-506m in Eislufthöhle (1623/76). The sump was discovered and photographed and the bottom half of the cave derigged on this final deep trip, with all five of the team reaching the bottom (Julian Griffiths, Simon Farrow, Nick Thorne, Andy Waddington, Ben van Millingen) 13th August, 1979.