Achieving Non-Duplicated Firing Times in Multipledeck Priming of Individual Blast Holes in Surface Coal Mining Using Non-Electric Down-the-Hole Primers and Electric Surface Initiation

International Society of Explosives Engineers
James Ludwiczak
Organization:
International Society of Explosives Engineers
Pages:
14
File Size:
439 KB
Publication Date:
Jan 1, 1980

Abstract

We are coming to an end of an era in Midwest surface coal mining. For many years, large tracts of coal lands were readily available for sale or lease to surface mine operators.
Citation

APA: James Ludwiczak  (1980)  Achieving Non-Duplicated Firing Times in Multipledeck Priming of Individual Blast Holes in Surface Coal Mining Using Non-Electric Down-the-Hole Primers and Electric Surface Initiation

MLA: James Ludwiczak Achieving Non-Duplicated Firing Times in Multipledeck Priming of Individual Blast Holes in Surface Coal Mining Using Non-Electric Down-the-Hole Primers and Electric Surface Initiation. International Society of Explosives Engineers, 1980.

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