from a survey by U.S.S. Bowditch in 1942 ; Prepared and published by the Defense Mapping Agency, Hydrographic/Topographic Center. Depths shown by isolines and soundings. Relief shown by contours. "Soundings in fathoms." Includes tidal information. Map no.22542. 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.