Abstract
The fifth edition of the 'General Bathymetric Chart of the Oceans' (GEBCO), the series of bathymetric charts that originated at the Seventh International Geological Congress in Berlin in 1899, will be complete soon. Thirteen of the final 18 charts that cover the world are available. The last chart should be complete next May. All of the charts have a scale of 1:10,000,000; polar sheets are 1:6,000,000.Guiding the chart production is a joint committee of marine geologists and geophysicists from the International Hydrographic Organization and the Intergovernmental Oceanographic Commission of UNESCO. Cartographic production of the sheets is undertaken by the Canadian Hydrographic Service in Ottawa. The basic project, grid, and land work is taken from the Carte Generale du Monde by permission of the Institut Geographique National in France.Sheets are available at $5.00 (Canadian) plus handling charges from Hydrographic Chart Distribution Office, Department of Fisheries and the Environment, 1675 Russel Road, P.O. Box 8080, Ottawa, Canada K1G 3H6.
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