National Imagery and Mapping Agency. Depths shown by isolines and soundings. Relief shown by hachures. "From a Mexican chart of 1984." "Copyright restrictions of the country of origin continue to exist." "Source listing Mexican chart 925." "Soundings in meters." Includes tidal information. Georeferenced nautical chart. Map no. 28196. This map is part of a collection of scanned and georeferenced nautical charts produced by the National Geospatial-Intelligence Agency (NGA). United States. National Imagery and Mapping Agency. Defense Mapping Agency. (1999). Central America, Mexico--east coast, Isla Cozumel (Raster Image). LandInfo. Available at: https://purl.stanford.edu/fk828ww7138 This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.