reproduction of Brazilian Chart 1821, 3rd edition, March 4, 1991 ... with the Brazilian Directorate of Hydrography and Navigation. Depths shown by isolines and soundings. Relief shown by contours, hachures, and spot heights. "From Brazilian surveys to 1984." "Soundings in meters." Includes tidal information and tidal currents. Map no.24141
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.