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Google圖書搜尋
The Construction of Hoover Dam
United States. Department of the Interior
Ray Lyman Wilbur
Elwood Mead
其他書名
Preliminary Investigations, Design of Dam, and Progress of Construction
出版
U.S. Government Printing Office
, 1933
URL
http://books.google.com.hk/books?id=eOvezAEACAAJ&hl=&source=gbs_api