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Soil Survey, the Pixley Area, California

Raymond Earl StorieBruce Charles OwenMarvon Harold LaytonAlfred Conrad AndersonWillis Jay LeightyConstantin Constantinovich Nikiforoff

出版	U.S. Government Printing Office, 1942
URL	http://books.google.com.hk/books?id=gZ23AAAAIAAJ&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN