Shot Fired in Coal Mines by Electric Circuit From the Surface

The American Institute of Mining, Metallurgical, and Petroleum Engineers
G. S. Rice Clark H. H.
Organization:
The American Institute of Mining, Metallurgical, and Petroleum Engineers
Pages:
15
File Size:
723 KB
Publication Date:
Jan 1, 1915

Abstract

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When mines in the interior coal fields of the United States began the practice of blasting the coal without undercutting, or what is known as…
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APA: G. S. Rice Clark H. H.  (1915)  Shot Fired in Coal Mines by Electric Circuit From the Surface

MLA: G. S. Rice Clark H. H. Shot Fired in Coal Mines by Electric Circuit From the Surface. The American Institute of Mining, Metallurgical, and Petroleum Engineers, 1915.

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