1992. 2011-12-07T17:46:29Z. 2015-10-21T15:07:21Z. United States. Defense Mapping Agency. Hydrographic/Topographic Center. The Center ; NOAA Distribution Division, N/ACC3, National Ocean Service. English. Public. Corfu Channel (Albania and Greece), Ionian Sea, Greece, Kerkyra, and Anchorage.