Prepared and published by the National Geospatial-Intelligence Agency. Depths shown by isolines and soundings. Relief shown by contours and form lines. "From various surveys to 2003." "Copyright 2009 by the United States government. No copyright claimed under Title 17 U.S.C." Place names in Spanish with glossary in English. "Soundings in meters." Includes source diagram and tidal information. Georeferenced nautical chart. Map no. 28165. This map is part of a collection of scanned and georeferenced nautical charts produced by the National Geospatial-Intelligence Agency (NGA). United States. National Geospatial-Intelligence Agency. (2009). Central America, Atlantic coast, Republic of Guatemala, Puerto Santo Tomás de Castilla and Puerto Barrios (Raster Image). LandInfo. Available at: https://purl.stanford.edu/qb965rq4287 This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.