Ore mining methods ::comprising descriptions of methods of support in extraction of ore, detailed descriptions of methods of stoping and mining in narrow and wide veins and bedded and massive deposits including stull and square-set mining, filling and cav

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• 主题词：Mining engineering.
• 责任者：Crane ; Walter R
• 出版者：J. Wiley
• 出版年：1910-01-01
• 出版地：New York :
• 出版日期：1910-01-01
• 分类号：710
• 语言：无

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