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Experimental longwall mining in a Pennsylvania anthracite mine (In two parts).
Mine roof rock and roof bolt behavior resulting from nearby blasts
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Published Year
1960-1969 (2) *
Subject
Roofs (2) *
Mine roof bolting (1)
Mining engineering (1)
Author
Brennan, Robert J. (1)
Buch, John W. (1)
Navrocky, Edward R. (1)
Stehlik, Charles J. (1)