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Geological Map of Africa. Prepared by UNESCO and the Association for African Geological Surveys. UNESCO, Paris, 1964 (available from UNESCO Publications Center, New York). 9 sheets and Explanatory Note (39 pages). Set, $55

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Science  11 Sep 1964:
Vol. 145, Issue 3637, pp. 1175-1176
DOI: 10.1126/science.145.3637.1175-a
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