Compiled under the aegis of the International Geological Congress, Commission for the world Geological Map, Subcommission for the World tectonic Map, by the Geological Survey of Marocco, Division of Geology, Direction of Mines and Geology. General Co-Ordinator: G. Choubert
Africa - Maps ، Geology
G
8201
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C5
1968
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M6
AU
CO African Geological Surveys
CO United Nations Educational, Scientific, and Cultural Organization
CO International Geological Congress. Commission for the Geological Map of the World