James D. Borden is a data storage manager at Vencor, Inc. Louisville, Kentucky. He is a Fellow of the National Speleological Society, a past director of the Cave Research Foundation, and managing director of the Central Kentucky Karst Coalition.Roger W. Brucker, retired Dayton, Ohio, advertising executive, fellow of the National Speleological Society, and past president of the Cave Research Foundation, is coauthor of three books: "The Caves Beyond "(with Joe Lawrence Jr.), "Trapped! The Story of the Floyd Collins "(with Robert K. Murray)," "and" The Longest Cave "(with Richard A. Watson), also available from Southern Illinois University Press.