Standardization of technical specifications of basic maps in Africa

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1985-08Author(s)/Corporate Author (s)
United Nations. Economic and Social Council;United Nations. Economic Commission for Africa;
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This paper focuses on Standardization of technical specifications of basic maps in Africa. The first part of the paper is taken from an AAC study and it summarizes basic mathematical concepts of African cartography. The second part is a comparative study of conventional signs used for maps at the scales of 1:50 000 and 1:250 000 it takes into account conventional signs used by countries which provided information on the questionnaire or from selected maps among those held at the headquarters of the ECA and the AAC.