Prepared and published by the Defense Mapping Agency. Depths shown by isolines and soundings. Relief shown by contours, hachures, and spot heights. "From various sources to 1983." "Copyright 1996 by the United States Government. No copyright claimed under Title 17 U.S.C." "Soundings in meters." Includes compilation diagram. Map no.22160 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.