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Google圖書搜尋
History of Irrigation in the United States
George D. Clyde
出版
Division of Irrigation Engineering and Water Conservation, Soil Conservation Service, USDA
, 1952
URL
http://books.google.com.hk/books?id=n4LJtDfAVCIC&hl=&source=gbs_api
EBook
FULL_PUBLIC_DOMAIN