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Methods of sampling and analyzing coal-mine dusts for incombustible content

Published Year

• 1940-1949 (1)

Subject

• Coal mines and mining--Dust control (1) *
• Mine dusts (1)

Author

• Greenwald, H. P. (1)
• Owings, C. W. (1)
• Selvig, W. A. (1) *

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