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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