Encyclopedia > Wikipedia:Dewey Decimal System 55

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Wikipedia:Dewey Decimal System/55

Dewey Decimal System > 5 Natural Sciences and Mathematics > 55 Earth Sciences

551 Geology, hydrology, meteorology

552 Petrology[?]

553 Economic geology

554 Earth sciences of Europe

555 Earth sciences of Asia

556 Earth sciences of Africa

557 Earth sciences of North America

558 Earth sciences of South America

559 Earth sciences of other areas

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