Prepared and published by the Defense Mapping Agency Hydrographic/Topographic Center. Depths shown by isolines and soundings. Relief shown by contours and spot heights. "From Ecuadorean charts to 1992." Place names in Spanish with glossary in English. "Copyright 1994 by the United States Government. No copyright claimed under Title 17 U.S.C." "Soundings in meters." Includes source diagram and tidal information. Map no.22087. 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.