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Erosion and Related Land Use Conditions on the Froid Demonstration Project, Montana
William Carl Boatright
United States. Soil Conservation Service
出版
U.S. Government Printing Office
, 1938
URL
http://books.google.com.hk/books?id=Pxz0T0pKGJcC&hl=&source=gbs_api
EBook
FULL_PUBLIC_DOMAIN
註釋
Several years of drought and dust storms have emphasized the necessity of controlling wind erosion in the northern Great Plains. -- The survey was made to obtain exact information as to the kind and extent of erosion, the degree of slope, the present land use, and the type of soil.