CAUSES FOR THE PRODUCTIVITY DECLINE IN U. S. COAL MINING.

被引：0

作者：

Hill, Forrest E.

机构：

来源：

Mining congress journal | 1980年 / 66卷 / 09期

关键词：

D O I：

暂无

中图分类号：

TD [矿业工程]; P61 [矿床学];

学科分类号：

0709 ; 081803 ; 0819 ;

摘要：

This is a report on some of the findings of an industry-wide study being funded by the Office of Coal Mining, U. S. Department of Energy. The purpose has been to analyze the causes for the decline in both surface and underground productivity and recommend programs for government and industry to help correct the problems.

引用

页码：35 / 37

共 50 条

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