Respirable dust generation : comparison of continuous and conventional mining methods when excavating rock in coal mines / by John A. Organiscak.
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Format: | Government Document Book |
Language: | English |
Published: |
[Pittsburgh, PA (Cochrans Mill Road, P.O. Box 18070, Pittsburgh, 15236)] :
[U.S. Dept. of the Interior, Bureau of Mines],
[1989]
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Series: | Report of investigations (United States. Bureau of Mines) ;
9233. |
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