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Monthly Reports of Investigations, Bureau of Mines, Department of the Interior, December 1919
F. T. EddingfieldFelix Edgar Wormser
其他書名
Iron and Copper
出版U.S. Department of the Interior, Bureau of Mines, 1919
URLhttp://books.google.com.hk/books?id=2P3OrQEACAAJ&hl=&source=gbs_api