Prepared and published by the Defense Mapping Agency. Depths shown by isolines and soundings. Relief shown by contours and spot heights. "From a U.S. Navy and Guatemalan survey in 1965." "Copyright 1995 by the United States Government. No copyright claimed under Title 17 U.S.C." "Soundings in meters." Includes compilation diagram and tidal information. Map no.28164 This map is part of a collection of scanned and georeferenced nautical charts produced by the National Geospatial-Intelligence Agency (NGA). United States. Defense Mapping Agency. (1995). Central America--east coast, Guatemala--Belize, approaches to Puerto Barrios and Puerto Santo Tomás de Castilla (Raster Image). LandInfo. Available at: https://purl.stanford.edu/sp957bx0848 This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.