Contribution to the surveying and mapping of the countries of Africa

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1972-11Author(s)/Corporate Author (s)
United Nations. Economic and Social Council;United Nations. Economic Commission for Africa;
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The present document contains information on the Contribution to the surveying and mapping of the countries of Africa, of the Third Regional Cartographic Conference for Africa held at Addis Ababa (Ethiopia) from 30 October - 10 November 1972.