False 1623-84 Schwa Höhle 84 1623 1c 1/T - 84 1623-84 CUCC 1977 - Team Geriatric Draughting tube leads to a small chamber, further small tube leads off, unexplored since deemed impenetrable in shorts and T-shirt. Grade 1 extended elevation in Cambridge Underground expedition report plateau/84.htm plateau/84.htm