Prepared and published by the Defense Mapping Agency. Depths shown by isolines and soundings. Relief shown by hachures and spot heights. "From Brazilian surveys to 1977." "Copyright 1995 by the United States Government. No copyright claimed under Title 17 U.S.C." "Soundings in meters." Map no.24190 This map is part of a collection of scanned and georeferenced nautical charts produced by the National Geospatial-Intelligence Agency (NGA). This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.