Genral bathymetric chart of the oceans (GEBCO) series established by HSH Prince Albert I of Monaco in 1903. Published by the Canadian Hydrographic Service, Ottawa, Canada under the authority of the IHO and the IOC (Unesco) 5th edition.

Scale: A-P 1:10,000,000; Q-R 1:6,000,000. Bathymetric chart of the world's oceans. Coloured. A-P Mercator projection; Q-R Polar Stereographic projection. For assembly diagram see folder. Q-R damaged at edge in transport.