Seventy-five years of progress in the mineral industry

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• 责任者：Parsons ; A. B.
• 责任方式：Edited
• 出版者：The American Institute of Mining and Metallurgical Engineers
• 出版年：1947
• 出版地：New York
• 出版日期：1947/1/1 0:00:00
• 分类号：311
• 语言：English

摘要

ETWEEN 1871 and 1946-the span of the Institute’s past life-the value of the annual production of minerals in the United States increased from $240,000,000 to-$8, 900, 000, 000.