Prepared and published by the Defense Mapping Agency Hydrographic/Topographic Center. Depths shown by soundings and isolines. Relief shown by spot heights. "From Argentine and Chilean charts to 1978." "Copyright 1994 by the United States Government. No copyright claimed under Title 17 U.S.C." Includes index to next larger scale charts and compilation diagram. "Soundings in meters." Map no.22036 English and Spanish. 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.