Prepared and published by the National Imagery and Mapping Agency. Depths shown by isolines and soundings. "From various sources to 1998." Not distributed to depository libraries. "Copyright 1998 by the United States government. No copyright claimed under Title 17 U.S.C." "Soundings in meters." Includes source diagram. Map no.28210 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.