Prepared and published by the Defense Mapping Agency Hydrographic/Topographic Center. Depths shown by isolines and soundings. Relief shown by contours, hachures, and spot heights. "From a Brazilian chart of 1990." "Copyright 1993 by the United States government. No copyright claimed under Title 17 U.S.C." "Soundings in meters." Inset: Canal de Piaçaguera. Scale 1:15,000. Includes source data. Map no.24142 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.