Prepared and published by the National Imagery and Mapping Agency. Depths shown by isolines and soundings. Relief shown by form lines, hachures, and spot heights. "From Chilean charts to 1993." Shipping list no.: 2000-2001-S. "Copyright 1999 by the United States Government. No copyright claimed under Title 17 U.S.C." "Copyright restrictions of the country of origin continue to exist." "Soundings in meters." Includes source diagram. Map No.22341. 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. (1999). West Indies, South America, Chile, Golfo de Ancud--northern part (Raster Image). LandInfo. Available at: https://purl.stanford.edu/cb961np5671 This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.