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Effect of angle of drilling on dust dissemination

Relation of dust concentration to depth of hole during wet drilling

Petrographic identification at atmospheric dust particles

Published Year

• 1930-1939 (3)

Subject

• Dust (3) *
• Air--Pollution--Particles (1)
• Boring (1)
• Drilling and boring (1)
• Dust--Measurement (1)
• Mines and mineral resources (1)

Author

• Schrenk, H. H. (3) *
• Brown, Carlton E. (1)
• Foster, Wilder D. (1)
• Littlefield, J. B. (1)

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