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Soil series of the United States, Puerto Rico and the Virgin Islands;
their taxonomic classification.

APA Citation

United States. Soil Conservation Service. (1972). Soil series of the United States, Puerto Rico and the Virgin Islands: their taxonomic classification. [Washington].

MLA Citation

United States. Soil Conservation Service. Soil Series of the United States, Puerto Rico And the Virgin Islands: Their Taxonomic Classification. [Washington], 1972.

Warning: These citations may not always be complete (especially for serials).

Soil series of the United States, Puerto Rico and the Virgin Islands; their taxonomic classification.

APA Citation

MLA Citation

Soil series of the United States, Puerto Rico and the Virgin Islands;
their taxonomic classification.