TY - GEN A2 - Brock, John C. A2 - Geological Survey (U.S.) CY - Reston, Va.? L2 - http://purl.access.gpo.gov/GPO/LPS112258 LA - English PB - [U.S. Dept. of the Interior, U.S. Geological Survey] PP - Reston, Va.? PY - 2007 TI - EAARL topography, Gulf Islands National Seashore, Florida ER -