Prepared and published by the Defense Mapping Agency Hydrographic/Topographic Center. Depths shown by isolines and soundings. Relief shown by contours. "From various sources to 1988." "Copyright 1994 by the United States Government." "Soundings in meters." Includes source diagram and tidal information. Map NO.28281 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. (1994). Bay of Campeche, Mexico--east coast, Coatzacoalcos (Raster Image). LandInfo. Available at: https://purl.stanford.edu/sw112bd5755 This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.