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Investigation of Paint Creek Coal Fields of West Virginia

其他書名	Speeches of Hon. John W. Kern of Indiana in the Senate of the United States, May 9 and 14, 1913
出版	U.S. Government Printing Office, 1913
URL	http://books.google.com.hk/books?id=RBtPHQAACAAJ&hl=&source=gbs_api