In 1972, a British Expedition to Ethiopia arrived with a team which included Dick Ramsden and Tim Renvoize (Preston Caving Club), Simon Amatt (Birmingham Plytechnic Karabiner Club), Dave Catlin (University of Bradford Pothole Club), Paul Ramsden (Whernside Manor Scout Centre), Terry Raynor (9th and 12th Royal Lancers) and Steve Worthington (Sheffield University Speleological Society). With some initial help from Bill Morton the group made a systematic exploration and survey of the Sof Omar caves and published a full report of their findings in "Transactions of the Cave Research Group of Great Britain". The team discovered of new passages, bringing the survey total to .