David M. Bush is Associate Professor of Geology at State University of West Georgia.
Richard M. T. Webb is with the United States Geological Survey, Division of Water Resources, in Puerto Rico.
José González Liboy teaches is with the Department of Natural Resources in San Juan, Puerto Rico.
Lisbeth Hyman is with the Department of Natural Resources in San Juan, Puerto Rico.
William J. Neal is Professor of Geology at Grand Valley State University, Allendale, Michigan.
Paper ISBN: 978-0-8223-1590-2
Cloth ISBN: 978-0-8223-1575-9