Geological Map of Africa. Sheet No. 1. [Carte Géologique de l'Afrique. Feuille No. 1].

Registration is requested: 
No
Continent: 
Author: 
Association of African Geological Surveys (ASGA).
Publisher: 
Association of African Geological Surveys (ASGA), United Nations Educational Scientific Surveys. Cultural Organisations (UNESCO).
Year: 
1963