Aerial photographs and interim cartography on a 1:1,000,000 scale
Author(s)/Corporate Author (s)United Nations. Economic and Social Council;
United Nations. Economic Commission for Africa;
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This paper focuses on aerial photographs and interim cartography on A 1:1, 000,000 scale. The normal process of compiling maps on a 1:1,000,000 scale consists essentially in. making an appropriate generalization of the most detailed maps, generally called "base maps", which have been prepared in their turn directly from aerial photographs.