edited by J. Betterton, Haslemere Educational Museum, UK, J. Craig, Eni Upstream & Technical Services, Italy, J.R. Mendum, British Geological Survey, UK, R. Neller, Haslemere Educational Museum, UK, and J. Tanner, Haslemere Educational Museum, UK
edited by Joseph T. Hannibal, Cleveland Museum of Natural History, Cleveland, Ohio, Kyle C. Fredrick, California University of Pennsylvania, Department of Earth Sciences, California, Pennsylvania