Prepared and published by the Defense Mapping Agency. Depths shown by soundings and isolines. Relief shown by contours and spot heights. "From a Brazilian Navy survey of 1976." "Copyright 1996 by the United States Government. No copyright claimed under Title 17 U.S.C." "Soundings in meters." Map no.24192 This map is part of a collection of scanned and georeferenced nautical charts produced by the National Geospatial-Intelligence Agency (NGA).