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Quartz gem stones

Determination of alpha quartz particle distribution in respirable coal mine dust samples and reference standards

Particle size distribution of quartz and other respirable dust particles collected at metal mines, nonmetal mines, and processing plants

Published Year

• 1930-1939 (1)
• 1980-1989 (2)

Subject

• Quartz--United States (3) *
• Mine dusts (2)
• Coal mines and mining--United States--Safety measures (1)
• Mines and mineral resources--United States (1)
• Precious stones--United States (1)
• Smelting (1)

Author

• Huggins, Charles W. (2)
• Aitkens, I. (1)
• Johnson, S. N. (1)
• Meyers, Gail T. (1)
• Segreti, J. M. (1)
• Snyder, J. G. (1)

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