地図出典 地理院タイル The bathymetric contours are derived from those contained within the GEBCO Digital Atlas, published by the BODC on bahalf of IOC and IHO (2003) (http://www.gebco.net) 海上保安庁許可第292502号(水路業務法第25条に基づく類似刊行物) Shoreline data is derived from: United States. National Imagery and Mapping Agency. "Vector Map Level 0 (VMAP0)." Bethesda, MD: Denver, CO: The Agency; USGS Information Services, 1997.
地図出典 地理院タイル The bathymetric contours are derived from those contained within the GEBCO Digital Atlas, published by the BODC on bahalf of IOC and IHO (2003) (http://www.gebco.net) 海上保安庁許可第292502号(水路業務法第25条に基づく類似刊行物) Shoreline data is derived from: United States. National Imagery and Mapping Agency. "Vector Map Level 0 (VMAP0)." Bethesda, MD: Denver, CO: The Agency; USGS Information Services, 1997.
地図出典 地理院タイル The bathymetric contours are derived from those contained within the GEBCO Digital Atlas, published by the BODC on bahalf of IOC and IHO (2003) (http://www.gebco.net) 海上保安庁許可第292502号(水路業務法第25条に基づく類似刊行物) Shoreline data is derived from: United States. National Imagery and Mapping Agency. "Vector Map Level 0 (VMAP0)." Bethesda, MD: Denver, CO: The Agency; USGS Information Services, 1997.
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