Luciana S Esteves Author

David M. Bush is Associate Professor of Geology at State University of West Georgia.

Norma J. Longo is a geologist who lives in Durham, North Carolina.

William J. Neal is Professor of Geology at Grand Valley State University in Allendale, Michigan.

Luciana S. Esteves is a coastal geologist who lives in Brazil.

Orrin H. Pilkey is James B. Duke Professor of Earth and Ocean Sciences, Emeritus, at Duke University.

Deborah F. Pilkey is an engineer who lives in Simi Valley, California.