Prepared and published by the National Imagery and Mapping Agency. Depths shown by isolines and soundings. Relief shown by spot heights. "From a 1979 Chilean chart." "Copyright 1996 by the United States Government. No copyright claimed under Title 17 U.S.C." "Soundings in meters." Includes source listing. Map No.22225 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. (1996). Chile, Mejillones to Puerto de Caldera (Raster Image). LandInfo. Available at: https://purl.stanford.edu/xq203wx4467 This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.