1992. 2011-12-05T18:41:45Z. 2015-10-21T15:07:14Z. United States. Defense Mapping Agency. Hydrographic/Topographic Center. The Center ; NOAA Distribution Branch, N/CG33, National Ocean Service, distributor. English&Swedish. Public. Sweden, Göteborg, Kattegat (Denmark and Sweden), and Göteborg (Sweden).