Prepared and published by the Defense Mapping Agency Hydrographic/Topographic Center. "LORAN C." Depths shown by isolines and soundings. Relief shown by contours and spot heights. "From Icelandic charts to 1988." "Copyright restrictions of the country of origin continue to exist." "Soundings in meters." Includes 1990 magnetic variation curves in purple, and source diagrams. Map No. 38650. This map is part of a collection of scanned and georeferenced nautical charts produced by the National Geospatial-Intelligence Agency (NGA). This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.