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Abstracts of Recent Published Material on Soil and Water Conservation

United States. Agricultural Research Service. Soil and Water Conservation Research Division

出版	U.S. Department of Agriculture, Soil Conservation Service
URL	http://books.google.com.hk/books?id=-hsoZExnEFQC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN

註釋

Abstracts for Dec. 1954- issued in the Agricultural Research Service's series ARS-41.