Prepared and published by the Defense Mapping Agency Hydrographic/Topographic Center. "OMEGA." Depths shown by isolines and soundings. Relief shown by spot heights. "From U.S. and Mexican charts to 1991 and U.S. Navy surveys of 1985." "Soundings in meters." Includes index to next larger scale charts. Map NO.28300 This map is part of a collection of scanned and georeferenced nautical charts produced by the National Geospatial-Intelligence Agency (NGA).
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