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Power Capacity and Production in the United States. Papers by C.R. Daugherty, A.H. Horton, and R.W. Davenport. [U.S. Geological Survey Water Supply Paper 579.].

United States. Congress. House

出版	U.S. Government Printing Office, 1926
URL	http://books.google.com.hk/books?id=aGnTwQEACAAJ&hl=&source=gbs_api