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Special precautions for multiple short-delay blasting in coal mines
Hazards of cutoff explosive charges in multiple blasting of coal
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Published Year
1950-1959 (1)
1960-1969 (1)
Subject
Blasting (2) *
Coal mines and mining--Explosives (1)
Coal mines and mining--United States--Explosives--Safety measures (1)
Author
Nagy, John. (2)
Van Dolah, Robert W. (2) *
Hartmann, Irving (1)
Hartmann, Irving. (1)
Kawenski, Edward N. (1)
